Downingtown, PA

4:27 PM EST on February 10, 2012 (GMT -0500)
Elev: 502 ft
Lon: 75.7° W
Lat: 40.0° N
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Weather Underground Forecast for Friday, February 10, 2012.

Expect active weather to move into the East on Friday, as a trough of low pressure moves from the Southern Plains and into the Eastern Valleys. Flow around this system will pull moisture and energy in from the Gulf of Mexico. This will produce scattered showers and thunderstorms over the Southern Plains and Lower Mississippi River Valley throughout the day. There is a slight chance that these storms will turn severe with strong winds and heavy downpours. The northern side of this system will push a cold front into the Midwest, which will move through the Great Lakes and into the Ohio River Valley. Expect light and scattered snow showers to develop along the front as it passes through northern Michigan and into the eastern Ohio Valley and the Central Appalachians. Warmer temperatures ahead of this system will allow for rain showers to develop in parts of the Mid-Atlantic states and the Tennessee Valley.

Out West, a weak trough of low pressure moves onshore from the Pacific Ocean, bringing some moisture onshore with it. This will produce more rain and high elevation snow showers over the Pacific Northwest. Some of this moisture will stretch southward into northern California, allowing for light rain and high elevation snow showers to spread into the northern Sierras.
Weather Underground Forecast for Friday, February 10, 2012.

Expect active weather to move into the East on Friday, as a trough of low pressure moves from the Southern Plains and into the Eastern Valleys. Flow around this system will pull moisture and energy in from the Gulf of Mexico. This will produce scattered showers and thunderstorms over the Southern Plains and Lower Mississippi River Valley throughout the day. There is a slight chance that these storms will turn severe with strong winds and heavy downpours. The northern side of this system will push a cold front into the Midwest, which will move through the Great Lakes and into the Ohio River Valley. Expect light and scattered snow showers to develop along the front as it passes through northern Michigan and into the eastern Ohio Valley and the Central Appalachians. Warmer temperatures ahead of this system will allow for rain showers to develop in parts of the Mid-Atlantic states and the Tennessee Valley.

Out West, a weak trough of low pressure moves onshore from the Pacific Ocean, bringing some moisture onshore with it. This will produce more rain and high elevation snow showers over the Pacific Northwest. Some of this moisture will stretch southward into northern California, allowing for light rain and high elevation snow showers to spread into the northern Sierras.
Downingtown Weather at a Glance
Updated 4:27 PM EST
Weather Station - report
Elevation
437 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
39.2 °F
Feels Like 39 °F
Wind(mph)
1.0
Sunrise / Set
7:02 AM
5:32 PM
Moon
Waning Gibbous
Tonight
Rain 31 °F
Rain
80% chance of precipitation
Tomorrow
Chance of Snow 36 °F
Chance of Snow
40% chance of precipitation
Tomorrow Night
Chance of Snow 16 °F
Chance of Snow
20% chance of precipitation
Sunday
Partly Cloudy 29 | 20 °F
Partly Cloudy
Monday
Clear 31 | 25 °F
Clear
Tuesday
Chance of Snow 41 | 29 °F
Chance of Snow
20% chance of precipitation
Tomorrow is forecast to be Much Cooler than today.
Conditions
Pressure
30.00 in
Visibility
10.0 miles
Clouds
Mostly Cloudy 10000 ft
Moisture
Humidity
62%
Rainfall
0.02 in
Snow Depth
Not available.
METAR
METAR KMQS 102055Z AUTO 31004KT 10SM BKN100 04/M03 A3001 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Temperature
Windchill
39 °F
Dew Point
27 °F
Wind
Speed / Dir
1.0 mph from NW
Wind Gust
1.0 mph
Health
UV
1 out of 16
Pollen
.10 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Moderate
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for Chester
Tonight
nt_snow Snow likely with a chance of rain this evening...then snow after midnight. Snow accumulation around an inch. Lows in the lower 30s. Southwest winds around 5 mph...becoming north after midnight. Chance of precipitation 90 percent.
Saturday
snow Cloudy. Snow in the morning...then a chance of rain showers and snow in the afternoon. Total snow accumulation of 1 to 3 inches. Highs in the upper 30s. Northwest winds 10 to 15 mph. Chance of precipitation 90 percent.
Saturday Night
nt_chancesnow Mostly cloudy in the evening...then becoming partly cloudy. A 50 percent chance of snow showers. Brisk with lows around 18. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Sunday
chancesnow Partly sunny. A chance of snow showers in the morning. Windy with highs in the lower 30s. West winds 15 to 25 mph. Chance of snow 40 percent.
Sunday Night
nt_partlycloudy Partly cloudy. Lows in the lower 20s. West winds 10 to 15 mph.
Monday
partlycloudy Mostly sunny. Highs in the upper 30s.
Monday Night
nt_partlycloudy Partly cloudy in the evening...then becoming mostly cloudy. Lows in the upper 20s.
Tuesday
cloudy Cloudy. Highs in the lower 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows around 30.
Wednesday
partlysunny Partly sunny in the morning...then becoming mostly cloudy. Highs in the mid 40s.
Wednesday Night
nt_cloudy Mostly cloudy in the evening...then becoming partly cloudy. Lows around 30.
Thursday
partlysunny Partly sunny. Highs in the mid 40s.
Thursday Night
nt_cloudy Mostly cloudy in the evening...then becoming partly cloudy. Lows in the lower 30s.
Source: NWS at 3:30 PM EST on February 10, 2012
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Forecast
View Calendar 7-Day Weather Forecast for 19335
Friday, 10
Partly Cloudy
45 | 31 °F
Partly Cloudy
Chance of
Precipitation
10%
Saturday, 11
Chance of Snow
36 | 16 °F
Chance of Snow
Chance of
Precipitation
40%
Sunday, 12
Partly Cloudy
29 | 20 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 13
Clear
31 | 25 °F
Clear
Chance of
Precipitation
0%
Tuesday, 14
Chance of Snow
41 | 29 °F
Chance of Snow
Chance of
Precipitation
20%
Wednesday, 15
Partly Cloudy
47 | 31 °F
Partly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Partly Cloudy
47 | NA
Partly Cloudy
Chance of
Precipitation
10%
Source: NWS at 3:30 PM EST on February 10, 2012
Regional Forecast for Chester
Tonight
nt_snow Snow likely with a chance of rain this evening...then snow after midnight. Snow accumulation around an inch. Lows in the lower 30s. Southwest winds around 5 mph...becoming north after midnight. Chance of precipitation 90 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 28 | 19 40 | 21 40 | 22 37 | 27
Wind 2 mph West 5 mph West 3 mph WSW 1 mph SSE
Humidity 70% 48% 50% 68%
Chance of Precip. 0% 10% 10% 80%
Cloud Cover 9% 15% 77% 98%
Conditions Clear Clear Mostly Cloudy Chance of Rain
Sunrise & Sunset
7:02 AM
5:32 PM
Source: NWS at 3:30 PM EST on February 10, 2012
Regional Forecast for Chester
Saturday
snow Cloudy. Snow in the morning...then a chance of rain showers and snow in the afternoon. Total snow accumulation of 1 to 3 inches. Highs in the upper 30s. Northwest winds 10 to 15 mph. Chance of precipitation 90 percent.
Saturday Night
nt_chancesnow Mostly cloudy in the evening...then becoming partly cloudy. A 50 percent chance of snow showers. Brisk with lows around 18. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 35 | 28 35 | 31 31 | 20 23 | 11
Wind 5 mph North 12 mph NNW 13 mph NW 16 mph NW
Humidity 79% 87% 66% 60%
Chance of Precip. 80% 40% 40% 30%
Cloud Cover 99% 90% 65% 48%
Conditions Rain Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
7:01 AM
5:33 PM
Source: NWS at 3:30 PM EST on February 10, 2012
Regional Forecast for Chester
Sunday
chancesnow Partly sunny. A chance of snow showers in the morning. Windy with highs in the lower 30s. West winds 15 to 25 mph. Chance of snow 40 percent.
Sunday Night
nt_partlycloudy Partly cloudy. Lows in the lower 20s. West winds 10 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 19 | 5 26 | 4 26 | 10 23 | 9
Wind 13 mph WNW 19 mph WNW 14 mph West 11 mph West
Humidity 57% 38% 51% 57%
Chance of Precip. 30% 10% 10% 10%
Cloud Cover 50% 51% 42% 33%
Conditions Chance of Snow Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:00 AM
5:34 PM
Source: NWS at 3:30 PM EST on February 10, 2012
Regional Forecast for Chester
Monday
partlycloudy Mostly sunny. Highs in the upper 30s.
Monday Night
nt_partlycloudy Partly cloudy in the evening...then becoming mostly cloudy. Lows in the upper 20s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 9 28 | 12 29 | 16 27 | 18
Wind 9 mph West 9 mph West 7 mph West 3 mph WSW
Humidity 56% 51% 56% 64%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 31% 24% 23% 64%
Conditions Partly Cloudy Clear Clear Partly Cloudy
Sunrise & Sunset
6:58 AM
5:35 PM
Source: NWS at 3:30 PM EST on February 10, 2012
Regional Forecast for Chester
Tuesday
cloudy Cloudy. Highs in the lower 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 18 38 | 24 37 | 27 33 | 25
Wind 2 mph SSW 5 mph South 4 mph SSW 2 mph SSW
Humidity 68% 58% 67% 72%
Chance of Precip. 10% 10% 20% 20%
Cloud Cover 85% 84% 85% 73%
Conditions Mostly Cloudy Chance of Snow Chance of Rain Chance of Rain
Sunrise & Sunset
6:57 AM
5:37 PM
Source: NWS at 3:30 PM EST on February 10, 2012
Regional Forecast for Chester
Wednesday
partlysunny Partly sunny in the morning...then becoming mostly cloudy. Highs in the mid 40s.
Wednesday Night
nt_cloudy Mostly cloudy in the evening...then becoming partly cloudy. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 28 43 | 31 41 | 34 35 | 32
Wind 2 mph West 5 mph WNW 3 mph WNW 1 mph WNW
Humidity 85% 65% 73% 89%
Chance of Precip. 20% 20% 10% 10%
Cloud Cover 72% 67% 61% 67%
Conditions Chance of Snow Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:57 AM
5:37 PM
Source: NWS at 3:30 PM EST on February 10, 2012
Regional Forecast for Chester
Thursday
partlysunny Partly sunny. Highs in the mid 40s.
Thursday Night
nt_cloudy Mostly cloudy in the evening...then becoming partly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 31 43 | 29 41 | 27 35 | 32
Wind 0 mph NW 1 mph NNW 0 mph SSW 1 mph WNW
Humidity 91% 61% 58% 89%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 43% 35% 71% 67%
Conditions Partly Cloudy Partly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
6:57 AM
5:37 PM
BestForecast (what's this?)
Nearby
History & Almanac
February 10, 2012 Max Temp Min Temp
Normal (KILG) 41 °F 25 °F
Record (KILG) 63 °F (1990) -2 °F (1979)
Yesterday 43 °F 29 °F
Yesterday's Heating Degree Days: 29
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Moderate
PM2.5
Yesterday Good
OZONE
Current Moderate
PM2.5
Current Good
OZONE
Friday Good
PM2.5
Saturday Good
PM2.5
Sunday Good
PM2.5
Monday Good
PM2.5
Tuesday Good
PM2.5
Coastal Water Temperatures
Place Temperature
Ship John Shoal, NJ 42.1 °F
Cape May, NJ 46.0 °F
Brandywine Shoal Light, DE 44.1 °F
Reedy Point, DE 41.0 °F
Delaware City, DE 41.0 °F
Marcus Hook, PA 41.0 °F
Astronomy
Feb. 10, 2012 Rise Set
Actual Time 7:02 AM EST 5:32 PM EST
Civil Twilight 6:34 AM EST 6:00 PM EST
Nautical Twilight 6:02 AM EST 6:32 PM EST
Astronomical Twilight 5:30 AM EST 7:03 PM EST
Moon 9:07 PM EST 8:09 AM EST
Length Of Visible Light 11h 25m
Length of Day
10h 29m
Tomorrow will be 2m 21s longer.
Waning Gibbous, 89% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Today's Extremes
State Highs State Lows
45 °F
Philadelphia
41 °F
Pottstown
41 °F
Reading
17 °F
Quakertown
18 °F
York
19 °F
Du Bois
19 °F
Selinsgrove
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
WunderPhotos®
Some pics of showers and storms that moved into South West Florida.
Icehotel: Kraken
Uploaded by: Tom01507
1,456,209 photos uploaded!
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Travel & Activities
Travel Planning
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Aviation
City Temp. Conditions Updated
Coatesville 39 °F Mostly Cloudy 3:55 PM EST
Pottstown 40 °F Overcast 3:54 PM EST
Wilmington 42 °F Overcast 3:51 PM EST
Philadelphia Wings Airport 43 °F Clear 3:55 PM EST
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KMQS)
Wind Speed: 4.0 kts.
Wind Dir: 306° (NW)
Ceiling: 10000 ft

METAR KMQS 102055Z AUTO 31004KT 10SM BKN100 04/M03 A3001 RMK AO2

Nearby Events
Event Date Forecast
New Sweden 9:00 PM EST 2012-02-10 Chance of Rain, 37°F
MiZ 8:00 PM EST 2012-02-11 Chance of Snow, 26°F
Mike solo acoustic 8:00 PM EST 2012-02-11 Chance of Snow, 26°F
Exploring iOS5 for iPad and iPhone 1:00 PM EST 2012-02-11 Chance of Rain, 36°F
Getting Started with Mac OS X Lion 4:00 PM EST 2012-02-11 Chance of Snow, 36°F
An Evening with Friends 6:00 PM EST 2012-02-11 Chance of Snow, 30°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Average High 71° F/ 21° C
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 10, 2012 Partly Cloudy, 47 °F
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 11, 2012 Chance of Rain, 45 °F
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Lionville, Downingtown, PA 39.2 °F 39 °F 27 °F 62% NW  at  1.0 mph 0.00 in / hr 437 ft 4:27 PM EST Normal
APRSWXNET Dowingtown PA U, Exton, PA 39 °F 39 °F 27 °F 62% North  at  0 mph 0.01 in / hr 748 ft 3:38 PM EST MADIS
APRSWXNET Downingtown PA U, Lyndell, PA 39 °F 39 °F 28 °F 64% North  at  0 mph 0.00 in / hr 590 ft 4:04 PM EST MADIS
Marshall View I, Glenmoore, PA 38.0 °F 38 °F 25 °F 59% West  at  1.0 mph 0.00 in / hr 488 ft 4:19 PM EST Normal  
Upper Uwchlan Twp., Glenmoore, PA 39.7 °F 40 °F 20 °F 45% WSW  at  1.0 mph 0.00 in / hr 462 ft 4:20 PM EST Normal
Fairview-Devereux Rds. Glenmoore PA, Glenmoore, PA 38.2 °F 35 °F 25 °F 58% West  at  4.0 mph 0.00 in / hr 583 ft 4:27 PM EST Rapid Fire  
West Brandywine, Coatesville, PA 39.9 °F 40 °F 25 °F 56% NW  at  0.0 mph - / hr 490 ft 4:09 PM EST Normal  
APRSWXNET W.Whiteland Tnsp PA US, Exton, PA 40 °F 40 °F 28 °F 61% WSW  at  2 mph 0.00 in / hr 538 ft 4:03 PM EST MADIS
East Nantmeal Township, Chester County, Glenmoore, PA 37.0 °F 37 °F 26 °F 65% SSW  at  0.0 mph 0.00 in / hr 728 ft 4:27 PM EST Rapid Fire
APRSWXNET West Chester PA , West Chester, PA 39 °F 39 °F 26 °F 59% North  at  0 mph 0.00 in / hr 419 ft 3:55 PM EST MADIS
HADS WEST BRANCH BRANDYWINE CREEK AT PA, Modena, PA - - - - North  at  - 0.00 in / hr 265 ft 1:00 PM EST MADIS
HADS WEST BRANCH BRANDYWINE CK NR HON PA, Honey Brook, PA - - - - North  at  - 0.00 in / hr 590 ft 1:30 PM EST MADIS
NonFedAWOS WEST CHESTER , West Chester, PA 39 °F 35 °F 25 °F 56% West  at  5 mph 0.00 in / hr 465 ft 4:07 PM EST MADIS
West Chester (E. Bradford Twp-SSE), West Chester, PA 41.1 °F 41 °F 18 °F 39% NW  at  2.3 mph 0.00 in / hr 258 ft 4:21 PM EST Normal  
Malvern, Malvern, PA 38.8 °F 39 °F 25 °F 57% NE  at  0.0 mph 0.00 in / hr 548 ft 4:26 PM EST Rapid Fire  
Unionville Village, Unionville, PA 39.0 °F 39 °F 25 °F 57% WSW  at  0.0 mph 0.00 in / hr 466 ft 4:27 PM EST Rapid Fire  
Birmingham Township, West Chester, PA 40.1 °F 40 °F 26 °F 58% West  at  1.0 mph 0.00 in / hr 324 ft 4:27 PM EST Rapid Fire  
Sadsburyville, Parkesburg, PA 39.1 °F 39 °F 27 °F 62% West  at  2.0 mph 0.00 in / hr 600 ft 4:27 PM EST Rapid Fire  
Dalkeith, Kennett Square, PA 40.0 °F 40 °F 26 °F 58% WNW  at  0.0 mph - / hr 410 ft 4:19 PM EST Normal  
Honey Brook, PA Rock Road, Honey Brook, PA 38.6 °F 39 °F 27 °F 62% WSW  at  1.0 mph 0.00 in / hr 740 ft 4:27 PM EST Rapid Fire  
Westtown, West Chester, PA 41.0 °F 41 °F 25 °F 52% SW  at  2.2 mph 0.00 in / hr 253 ft 4:25 PM EST Normal
Kennett Square, PA 39.2 °F 39 °F 25 °F 58% WNW  at  2.0 mph 0.00 in / hr 436 ft 4:24 PM EST Normal  
APRSWXNET Malvern PA , Paoli, PA 40 °F 40 °F 25 °F 55% SW  at  3 mph 0.00 in / hr 441 ft 3:46 PM EST MADIS
APRSWXNET West Chester PA U, Southeastern, PA 40 °F 40 °F 27 °F 60% WSW  at  1 mph 0.01 in / hr 423 ft 3:52 PM EST MADIS
Chadds Ford, PA, Chadds Ford, PA 39.9 °F 40 °F 23 °F 52% WNW  at  0.0 mph - / hr 380 ft 4:19 PM EST Normal  
Near Hollow, Paoli, PA 39.6 °F 40 °F 5 °F 23% WSW  at  0.0 mph 0.00 in / hr 465 ft 4:19 PM EST Normal
APRSWXNET Westtown PA U, Cheyney, PA 40 °F 40 °F 27 °F 60% West  at  3 mph 0.00 in / hr 344 ft 4:04 PM EST MADIS
Southern Chester County, Kennett Sq, PA 39.8 °F 40 °F 28 °F 62% NNW  at  2.3 mph 0.00 in / hr 471 ft 4:27 PM EST Rapid Fire
HADS BRANDYWINE CREEK AT CHADDS FORD PA, Chadds Ford, PA - - - - North  at  - 0.00 in / hr 149 ft 1:30 PM EST MADIS
Phoenixville Weather Depot, Phoenixville, PA 41.0 °F 41 °F 20 °F 42% West  at  0.0 mph 0.00 in / hr 141 ft 4:27 PM EST Rapid Fire
APRSWXNET Pottstown PA U, Pottstown, PA 39 °F 39 °F 26 °F 59% North  at  0 mph 0.00 in / hr 242 ft 3:59 PM EST MADIS
Pottstown, PA 39.6 °F 40 °F 26 °F 59% WSW  at  2.0 mph 0.00 in / hr 232 ft 4:27 PM EST Rapid Fire  
HADS VALLEY CREEK NEAR VALLEY FORGE PA, Valley Forge, PA - - - - North  at  - 0.00 in / hr 108 ft 1:00 PM EST MADIS
MADIS - [DW6440] - Atglen, Atglen, PA 40.5 °F 40 °F 26 °F 56% West  at  1.0 mph 0.00 in / hr 489 ft 4:27 PM EST Rapid Fire
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