Graterford, PA

6:58 AM EDT on May 21, 2013 (GMT -0400)
Elev: 243 ft
Lon: 75.4° W
Lat: 40.2° N
Source
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Global: Violent tornado devastates Moore, Oklahoma
Active Advisory: Special Statement (US Severe Weather)
News
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May 21, 2013
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Oklahoma Tornado: How to Help
May 20, 2013
The Salvation Army says it is activating disaster response teams and mobile feeding units to help residents and rescuers in Moore.
Moore, Okla. Tornado Timeline
May 21, 2013
On May 20, 2013, a large deadly tornado ripped through the Oklahoma City area. Click to read the timeline of the tornado event
At Least 20 Children Dead at Okla. Elementary
May 21, 2013
Several children have been pulled out of the rubble alive at a school in an Oklahoma City suburb.
Obama Declares Major Disaster in Oklahoma
May 21, 2013
President Barack Obama has declared a major disaster in Oklahoma as the state recovers from a massive tornado that ripped through the Oklahoma City suburbs Monday, killing dozens and flattening entire neighborhoods.
At Least 51 Dead, 20 of them Children
May 21, 2013
A monstrous tornado as much as a mile wide roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods, setting buildings on fire and landing a direct blow on an elementary school.
Photos, Social Media Capture Terror of Okla. Tornadoes
May 20, 2013
Catastrophic tornadoes developed in Oklahoma on Monday. Here are photos and social media reports.
Huge Rock Crashes Into Moon, Sparks Giant Explosion
May 20, 2013
The moon has a new hole on its surface thanks to a boulder that slammed into it in March, creating the biggest explosion scientists have seen on the moon since they started monitoring it.
Deadly Rainstorms Kill 55 in Southern China
May 20, 2013
Chinese authorities say rainstorms that battered southern China this week have killed 55 people and left 14 others missing.
Photos: Deadly Tornado Outbreak Strikes Plains
May 20, 2013
A tornado outbreak struck the Plains states on May 19, 2013, leaving widespread damage in its wake.
Recap: Tornadoes Rake Oklahoma, Kansas, Iowa
May 20, 2013
The weather imagery, video and recap from tornadoes in the Plains on May 19, 2013.
Amazing Nature, Captured
May 20, 2013
These stunning images of nature captured across the globe will change the way you view our world.
Photos: Tornado Devastation in Plains
May 20, 2013
Photos and social media reports of severe weather damage over the weekend in Oklahoma, Iowa and Kansas.
Tornado Hits South of Oklahoma City
May 20, 2013
Continuing coverage of destructive severe weather.
Tornado Hits OKC Suburb, Kicking Up Debris
May 19, 2013
A tornado kicked up debris in an Oklahoma City suburb and threatened a number of tourist attractions on historic Route 66 but there were no immediate reports of injuries or major damage.
Tornado Touches Down in Wichita
May 19, 2013
State emergency officials are monitoring a tornado in the Wichita area.
BREAKING: Oklahoma Tornado Devastation
May 20, 2013
The latest breaking news from the scene, tornado warnings, photos and more.
Mice Return From a Month in Space
May 19, 2013
Mice and other critters return from a month long stay in space.
Heavy Rains Cause Flooding in North Georgia
May 20, 2013
Some locations have seen 5 to 6 inches of rainfall.
More News Articles
Weather Summary
Kari Kiefer
Weather Underground Forecast for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather is expected to fire up again across the nation's mid-section again on Tuesday.

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
Weather Underground Forecast for Tuesday, May 21, 2013.

After a devastating severe weather day in the Plains on Monday, severe weather is expected to fire up again across the nation's mid-section again on Tuesday.

The nearly stationary low over the Northern Plains will gradually weaken as it shifts eastward into the Midwest on Tuesday, while the system's associated cold front trails southwestward from the low across the Mid-Mississippi Valley through the Southern Plains. Favorable energy and conditions ahead of the cold front combined with the moisture laden conditions of the nation's mid-section will set the stage for multiple clusters of thunderstorms to develop from the Midwest into the Ozarks and the Southern Plains. Portions of northeastern Texas, extreme southeastern Oklahoma, central and southern Arkansas, and northwestern Louisiana are at moderate risk of severe thunderstorm activity as environmental conditions remain favorable for tornadoes, damaging wind gusts, and very large hail. Areas surrounding this moderate risk region from the parts of central and eastern Texas into the Upper Great Lakes are at slight risk of severe thunderstorm development with hail, damaging wind gusts, and isolated tornadoes.

Meanwhile, areas of heavy rain and widely scattered showers will continue near the low in the Northern Plains and Upper Mississippi Valley and near and to the north of a nearly stationary frontal boundary extending out ahead of the system from the Great Lakes into the Northeast. Continued precipitation in already saturated areas of the Northern Plains and Upper Midwest will maintain flood concerns from parts of North Dakota into northern Wisconsin.

Elsewhere, scattered showers and thunderstorms are expected to persist in the Mid-Atlantic and southeastern corner of the nation.
More News Articles

Graterford Weather at a Glance

Updated 6:49 AM EDT
Elevation
135 ft
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Now
Scattered Clouds
Scattered Clouds
Temperature
66.6 °F
Feels Like 66.6 °F
Wind(mph)
0.0
Sunrise / Set
5:40 AM
8:16 PM
Moon
Waxing Gibbous
Today
Chance of a Thunderstorm 84 °F
Chance of T-storms
30% chance of precipitation
Tonight
Chance of a Thunderstorm 68 °F
Chance of T-storms
30% chance of precipitation
Tomorrow
Chance of a Thunderstorm 86 | 68 °F
Chance of T-storms
40% chance of precipitation
Thursday
Chance of a Thunderstorm 75 | 52 °F
Chance of T-storms
50% chance of precipitation
Friday
Chance of a Thunderstorm 68 | 54 °F
Chance of T-storms
70% chance of precipitation
Saturday
Chance of Rain 61 | 46 °F
Chance of Rain
40% chance of precipitation
Today is forecast to be Warmer than yesterday.
Conditions
Pressure
29.99 in
Visibility
4.0 miles
Clouds
Few 800 ft
Scattered Clouds 1900 ft
Moisture
Humidity
99%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KPTW 211054Z AUTO 00000KT 4SM BR FEW008 SCT019 20/19 A3000 RMK AO2 SLP154 T02000194 TSNO
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
66.6 °F
74,68,65,63,63,63,62,63,63,64,65,66,68
Dew Point
66 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
UV
1 out of 16
Pollen
6.70 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. Fog early. High of 84F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 68F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Wednesday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 86F. Winds from the SW at 5 to 10 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 68F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 75F. Winds from the SW at 10 to 15 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain. Low of 52F. Winds from the SW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm and rain. Fog early. High of 68F. Winds from the SW at 5 to 10 mph shifting to the WNW in the afternoon. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and rain in the evening, then clear with a chance of rain. Low of 54F. Winds from the NNW at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.8 in. possible.
Saturday
chancerain Mostly cloudy with a chance of rain in the morning, then clear. High of 61F. Breezy. Winds from the NNW at 15 to 20 mph. Chance of rain 40%.
Saturday Night
nt_mostlycloudy Mostly cloudy. Low of 46F. Winds from the NW at 10 to 15 mph.
Sunday
mostlycloudy Overcast. High of 66F. Winds from the NW at 10 to 15 mph.
Sunday Night
nt_mostlycloudy Overcast. Low of 43F. Winds from the NNW at 5 to 10 mph.
Monday
mostlycloudy Mostly cloudy. High of 68F. Winds from the WNW at 5 to 10 mph.
Monday Night
nt_partlycloudy Clear. Low of 43F. Winds less than 5 mph.
Tuesday
clear Clear. High of 70F. Winds from the South at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Clear. Fog overnight. Low of 59F. Winds from the South at 5 to 10 mph.
Wednesday
chancerain Partly cloudy with a chance of rain. High of 72F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_mostlycloudy Mostly cloudy. Fog overnight. Low of 59F. Winds less than 5 mph.
Thursday
partlycloudy Partly cloudy. High of 77F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 63F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 81F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Clear. Fog overnight. Low of 63F. Winds less than 5 mph.
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Weather Forecast for Graterford PA

View Calendar 10-Day Forecast for station KPAEAGLE1

Tuesday, 21
Chance of a Thunderstorm
84 | 68 °F
Chance of T-storms
Chance of
Precipitation
30%
Wednesday, 22
Chance of a Thunderstorm
86 | 68 °F
Chance of T-storms
Chance of
Precipitation
40%
Thursday, 23
Chance of a Thunderstorm
75 | 52 °F
Chance of T-storms
Chance of
Precipitation
50%
Friday, 24
Chance of a Thunderstorm
68 | 54 °F
Chance of T-storms
Chance of
Precipitation
70%
Saturday, 25
Chance of Rain
61 | 46 °F
Chance of Rain
Chance of
Precipitation
40%
Sunday, 26
Mostly Cloudy
66 | 43 °F
Mostly Cloudy
Chance of
Precipitation
0%
Monday, 27
Mostly Cloudy
68 | 43 °F
Mostly Cloudy
Chance of
Precipitation
0%
Tuesday, 28
Clear
70 | 59 °F
Clear
Chance of
Precipitation
0%
Wednesday, 29
Chance of Rain
72 | 59 °F
Chance of Rain
Chance of
Precipitation
40%
Thursday, 30
Fog
77 | 63 °F
Fog
Chance of
Precipitation
0%
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. Fog early. High of 84F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 68F. Winds from the SW at 5 to 10 mph. Chance of rain 30%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 63 76 | 65 82 | 64 71 | 64
Wind 2 mph SSW 7 mph SW 6 mph SSW 6 mph SW
Humidity 94% 68% 53% 80%
Chance of Precip. 10% 20% 20% 30%
Cloud Cover 53% 59% 62% 69%
Conditions Fog Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:40 AM
8:16 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.31], Average RMSE [1.23]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.45], Average RMSE [1.73] : Use NWS
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
chancetstorms Partly cloudy with a chance of rain, then a chance of a thunderstorm and a chance of rain in the afternoon. High of 86F. Winds from the SW at 5 to 10 mph. Chance of rain 40%.
Wednesday Night
nt_chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 68F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 64 76 | 66 79 | 64 78 | 64
Wind 7 mph SW 9 mph SW 10 mph SSW 8 mph SSW
Humidity 84% 70% 63% 66%
Chance of Precip. 30% 40% 40% 40%
Cloud Cover 71% 72% 70% 73%
Conditions Chance of a Thunderstorm Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:40 AM
8:17 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.27], Average RMSE [2.25]
The National Weather Service forecast quality is excellent. MaxT RMSE [1.50], Average RMSE [1.47] : Use NWS
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
chancetstorms Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 75F. Winds from the SW at 10 to 15 mph. Chance of rain 50%.
Thursday Night
nt_chancetstorms Overcast with a chance of a thunderstorm and rain. Low of 52F. Winds from the SW at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 73 | 64 71 | 63 71 | 65
Wind 8 mph SSW 11 mph SSW 9 mph SW 7 mph SSW
Humidity 85% 73% 73% 77%
Chance of Precip. 40% 50% 50% 40%
Cloud Cover 78% 82% 85% 93%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:39 AM
8:18 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.29], Average RMSE [1.23]
The National Weather Service forecast quality is good. MaxT RMSE [1.72], Average RMSE [1.64] : Use NWS
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Friday
chancetstorms Partly cloudy with a chance of a thunderstorm and rain. Fog early. High of 68F. Winds from the SW at 5 to 10 mph shifting to the WNW in the afternoon. Chance of rain 70% with rainfall amounts near 0.3 in. possible.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm and rain in the evening, then clear with a chance of rain. Low of 54F. Winds from the NNW at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.8 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 59 63 | 63 64 | 61 59 | 51
Wind 4 mph SW 7 mph SW 11 mph NW 13 mph NNW
Humidity 88% 100% 89% 76%
Chance of Precip. 20% 30% 30% 30%
Cloud Cover 87% 48% 59% 0%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
5:38 AM
8:19 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.68], Average RMSE [2.66]
The National Weather Service forecast quality is good. MaxT RMSE [2.13], Average RMSE [2.22] : Use NWS
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Saturday
chancerain Mostly cloudy with a chance of rain in the morning, then clear. High of 61F. Breezy. Winds from the NNW at 15 to 20 mph. Chance of rain 40%.
Saturday Night
nt_mostlycloudy Mostly cloudy. Low of 46F. Winds from the NW at 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 47 58 | 43 55 | 42 61 | 35
Wind 13 mph NNW 16 mph North 15 mph NNW 11 mph NW
Humidity 77% 57% 63% 38%
Chance of Precip. 40% 10% 10% 0%
Cloud Cover 0% 87% 19% 100%
Conditions Chance of Rain Mostly Cloudy Clear Overcast
Sunrise & Sunset
5:37 AM
8:19 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.85], Average RMSE [2.50]
The National Weather Service forecast quality is fair. MaxT RMSE [2.61], Average RMSE [2.58] : Use NWS
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Sunday
mostlycloudy Overcast. High of 66F. Winds from the NW at 10 to 15 mph.
Sunday Night
nt_mostlycloudy Overcast. Low of 43F. Winds from the NNW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 37 60 | 39 62 | 42 48 | 32
Wind 9 mph NW 12 mph NW 9 mph NW 7 mph North
Humidity 63% 45% 47% 53%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 99% 99% 95% 95%
Conditions Overcast Overcast Overcast Overcast
Sunrise & Sunset
5:37 AM
8:20 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.71], Average RMSE [2.69]
The National Weather Service forecast quality is fair. MaxT RMSE [2.83], Average RMSE [2.97] : Use NWS
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Monday
mostlycloudy Mostly cloudy. High of 68F. Winds from the WNW at 5 to 10 mph.
Monday Night
nt_partlycloudy Clear. Low of 43F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 31 63 | 40 61 | 47 52 | 44
Wind 5 mph NNW 5 mph WNW 7 mph West 5 mph SW
Humidity 53% 45% 59% 74%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 97% 91% 69% 0%
Conditions Overcast Overcast Mostly Cloudy Clear
Sunrise & Sunset
5:36 AM
8:21 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.22], Average RMSE [2.70]
The National Weather Service forecast quality is good. MaxT RMSE [2.37], Average RMSE [3.02] : Use NWS
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Tuesday
clear Clear. High of 70F. Winds from the South at 5 to 10 mph.
Tuesday Night
nt_partlycloudy Clear. Fog overnight. Low of 59F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 48 | 45 61 | 53 64 | 56 60 | 59
Wind 2 mph West 5 mph South 8 mph South 5 mph SSE
Humidity 89% 74% 76% 95%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 14%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:36 AM
8:22 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.19], Average RMSE [3.10]
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Wednesday
chancerain Partly cloudy with a chance of rain. High of 72F. Winds less than 5 mph. Chance of rain 40%.
Wednesday Night
nt_mostlycloudy Mostly cloudy. Fog overnight. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 59 66 | 62 68 | 64 60 | 60
Wind 2 mph South 2 mph South 3 mph SSE 2 mph SSE
Humidity 100% 87% 88% 100%
Chance of Precip. 0% 10% 10% 10%
Cloud Cover 43% 62% 72% 74%
Conditions Fog Partly Cloudy Mostly Cloudy Fog
Sunrise & Sunset
5:35 AM
8:23 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.13], Average RMSE [2.54]
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 77F. Winds less than 5 mph.
Thursday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 62 70 | 67 73 | 69 64 | 64
Wind 1 mph SSE 2 mph South 4 mph South 3 mph South
Humidity 100% 90% 86% 100%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 68% 62% 53% 45%
Conditions Fog Partly Cloudy Partly Cloudy Fog
Sunrise & Sunset
5:35 AM
8:23 PM
Source: BestForecast at 4:08 AM EDT on May 21, 2013
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 81F. Winds less than 5 mph.
Friday Night
nt_partlycloudy Clear. Fog overnight. Low of 63F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 65 74 | 67 77 | 71 65 | 65
Wind 2 mph SSW 2 mph SW 3 mph SSW 2 mph South
Humidity 99% 78% 80% 100%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 38% 40% 52% %
Conditions Fog Partly Cloudy Partly Cloudy Fog
Sunrise & Sunset
Sun does not rise
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 21, 2013 Max Temp Min Temp
Normal (KPHL) 75 °F 56 °F
Record (KPHL) 95 °F (1934) 41 °F (2002)
Yesterday 80 °F 62 °F
Yesterday's Cooling Degree Days: 6
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
May. 21, 2013 Rise Set
Actual Time 5:40 AM EDT 8:16 PM EDT
Civil Twilight 5:09 AM EDT 8:47 PM EDT
Nautical Twilight 4:30 AM EDT 9:27 PM EDT
Astronomical Twilight 3:46 AM EDT 10:11 PM EDT
Moon 4:27 PM EDT 3:07 AM EDT
Length Of Visible Light 15h 38m
Length of Day
14h 35m
Tomorrow will be 1m 37s longer.
Waxing Gibbous, 82% of the Moon is Illuminated
Today
Waxing Gibbous
May 25
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Visit Astronomy
Today's Extremes
State Highs State Lows
75 °F
Erie
71 °F
Meadville
71 °F
Philadelphia
71 °F
Pittsburgh
70 °F
Du Bois
57 °F
Selinsgrove
59 °F
Fort Indiantown Gap
59 °F
Williamsport
59 °F
Quakertown
59 °F
Allentown
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Aviation
City Temp. Conditions Updated
Pottstown 68 °F Scattered Clouds 6:54 AM EDT
Philadelphia Wings Airport This station is not reporting.
Quakertown 64 °F Overcast 6:55 AM EDT
Doylestown 65 °F Fog 6:54 AM EDT
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: MVFR (KPTW)
Wind Speed: 0.0 kts.
Wind Dir: 304° (NW)
Ceiling: Unlimited

METAR KPTW 211054Z AUTO 00000KT 4SM BR FEW008 SCT019 20/19 A3000 RMK AO2 SLP154 T02000194 TSNO

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Nearby Events
Event Date Forecast
UKRAINIAN EASTER EGGS 1:00 PM EDT
2013-04-15		 Chance of Rain, 59°F
Natalia Zukerman 8:00 PM EDT
2013-04-21		 Clear, 43°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Tigers vs. Indians 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 79 °F
Yankees vs. Orioles 7:05 PM EDT on May 21, 2013 Chance of a Thunderstorm, 79 °F
Red Sox vs. Phillies 7:05 PM EDT on May 29, 2013 Average High 77° F/ 24° C
Red Sox vs. Phillies 7:05 PM EDT on May 30, 2013 Average High 77° F/ 24° C
Event Date Forecast
Livorno vs. Brescia 6:30 PM CEST on May 22, 2013 Clear, High 71° F/ 22° C
Empoli vs. Novara 8:45 PM CEST on May 22, 2013 Clear, High 69° F/ 21° C
Columbus vs. Philadelphia 7:30 PM EDT on June 05, 2013 Average High 78° F/ 25° C
New York vs. Philadelphia 5:00 PM EDT on June 23, 2013 Average High 83° F/ 28° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Chance of Rain, 70 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 02, 2013 Average High 81° F/ 27° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 23, 2013 Partly Cloudy, 68 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 24, 2013 Partly Cloudy, 68 °F
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Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Collegeville, Collegeville, PA 66.6 °F - 66 °F 99% NW  at  0.0 mph 0.00 in / hr 135 ft 6:49 AM EDT Normal
Eagleville, PA 66.1 °F - 66 °F 100% SW  at  0.0 mph 0.00 in / hr 459 ft 6:58 AM EDT Rapid Fire
Ed's House Trappe, Collegeville, PA 68.7 °F - 67 °F 95% WSW  at  0.0 mph 0.00 in / hr 330 ft 6:58 AM EDT Rapid Fire  
APRSWXNET Skippack P, Cedars, PA 64 °F - 56 °F 76% SW  at  0 mph 0.00 in / hr 187 ft 6:32 AM EDT MADIS
Rockwell Terrace in Biltmore Estates, Skippack, PA 67.8 °F - 67 °F 96% NE  at  0.0 mph 0.00 in / hr 249 ft 6:57 AM EDT Normal  
Harleysville/Skippack, Harleysville, PA 66.8 °F - 67 °F 100% SSW  at  0.0 mph 0.00 in / hr 320 ft 6:58 AM EDT Rapid Fire
Country Ridge, Royersford, PA 68.0 °F - 65 °F 89% South  at  0.0 mph 0.00 in / hr 242 ft 6:58 AM EDT Rapid Fire  
Store Road, Harleysville, PA 65.9 °F - 66 °F 99% SW  at  0.0 mph 0.00 in / hr 253 ft 6:57 AM EDT Rapid Fire
Towamencin, Towamencin, PA 66.9 °F - 59 °F 75% WNW  at  0.0 mph 0.00 in / hr 238 ft 6:40 AM EDT Normal
Phoenixville Weather Depot, Phoenixville, PA 67.8 °F - 67 °F 98% SSW  at  0.0 mph 0.00 in / hr 141 ft 6:58 AM EDT Rapid Fire
Royersford, Royersford, PA 68.1 °F - 67 °F 96% East  at  0.0 mph 0.00 in / hr 233 ft 6:46 AM EDT Normal
Valley Forge / Morris, Lansdale, PA 66.5 °F - 66 °F 99% North  at  0.0 mph - / hr 0 ft 6:50 AM EDT Normal  
Elroy, Souderton, PA 66.6 °F - 66 °F 98% WSW  at  0.0 mph 0.00 in / hr 358 ft 6:50 AM EDT Normal  
Telford, PA 67.1 °F - 67 °F 98% South  at  0.0 mph 0.00 in / hr 325 ft 6:57 AM EDT Rapid Fire  
Woxall, PA, Harleysville, PA 67.5 °F - 67 °F 98% ENE  at  0.0 mph 0.00 in / hr 400 ft 6:58 AM EDT Normal  
Devon, PA, Devon, PA 66.2 °F - 66 °F 96% North  at  0.0 mph 0.00 in / hr 358 ft 6:58 AM EDT Rapid Fire
St Davids Golf Club, Wayne, PA 66.9 °F - 65 °F 95% WSW  at  1.0 mph 0.00 in / hr 500 ft 6:57 AM EDT Normal  
Cambridge Knoll, Lansdale, PA 66.7 °F - 66 °F 97% NW  at  0.0 mph 0.00 in / hr 420 ft 6:57 AM EDT Rapid Fire  
Pottstown, Pottstown, PA 70.3 °F 75 °F 59 °F 67% NW  at  0.0 mph 0.00 in / hr 141 ft 6:54 AM EDT Normal  
East Coventry Twp, Pottstown, PA 67.1 °F - 66 °F 97% SW  at  1.1 mph 0.00 in / hr 262 ft 6:57 AM EDT Rapid Fire  
APRSWXNET Berwyn PA , Tredyffrin, PA 66 °F - 65 °F 97% SSW  at  0 mph 0.00 in / hr 528 ft 6:33 AM EDT MADIS
APRSWXNET Saint Davids PA , Radnor, PA 66 °F - 64 °F 94% SW  at  0 mph 0.00 in / hr 423 ft 6:23 AM EDT MADIS
Wooded Ridge, Green Lane, PA 66.6 °F - 66 °F 99% West  at  0.0 mph - / hr 538 ft 6:55 AM EDT Normal  
Lafayette Hill, Whitemarsh, PA 67.7 °F - 68 °F 100% SW  at  0.0 mph 0.00 in / hr 215 ft 6:57 AM EDT Normal  
East Coventry, Pottstown, PA 67.6 °F - 63 °F 85% North  at  3.1 mph 0.00 in / hr 308 ft 6:58 AM EDT Rapid Fire
Line Lexington, Line Lexington, PA 66.8 °F - 66 °F 98% SW  at  0.0 mph 0.00 in / hr 300 ft 6:57 AM EDT Rapid Fire
Mendel Science Center, Villanova Univers, Villanova, PA 67.0 °F - 67 °F 100% West  at  3.7 mph 0.00 in / hr 480 ft 6:54 AM EDT Normal
Chester Springs, Chester Springs, PA 66.3 °F - 64 °F 94% NNW  at  - 0.00 in / hr 420 ft 6:54 AM EDT Rapid Fire  
Pottstown, Pottstown, PA 65.3 °F - 64 °F 95% SE  at  0.0 mph 0.00 in / hr 186 ft 6:55 AM EDT Normal  
APRSWXNET Pottstown PA U, Pottstown, PA 66 °F - 64 °F 94% North  at  0 mph 0.00 in / hr 242 ft 6:33 AM EDT MADIS
APRSWXNET Berwyn PA U, Berwyn, PA 65 °F - 65 °F 99% SW  at  0 mph 0.00 in / hr 450 ft 6:25 AM EDT MADIS
Aronwold, Newtown Square, PA 66.2 °F - 65 °F 97% West  at  0.0 mph 0.00 in / hr 486 ft 6:50 AM EDT Normal  
Marlborough Township, Green Lane, PA 64.4 °F - 64 °F 99% WNW  at  0.0 mph 0.00 in / hr 490 ft 6:50 AM EDT Normal  
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Special Statement
Mobile & Email Alerts Statement as of 5:08 AM EDT on May 21, 2013

... Patchy fog this morning...

Patchy fog has developed across the area this morning. Some
locally dense fog will occur with visibilities less than one mile
will occur. The fog will begin to burn off by around 8 am.

Drivers are urged to use caution while driving. Be prepared for
reduced visibility in spots and leave plenty of room between your
vehicle and the one ahead of you.