Rancho Cucamonga, CA

2:02 AM PDT on May 25, 2013 (GMT -0700)
Elev: 1932 ft
Lon: 117.6° W
Lat: 34.2° N
Source
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Tropical Weather: Invest 91E (East Pacific)
News
May 24, 2013
Another severe weather outbreak is possible in the Plains next week.
May 24, 2013
The potential of tornadoes on May 20, 2013 was well forecast, likely saving many more lives in the Moore tornado.
May 24, 2013
It was early Thursday afternoon at the makeshift animal shelter at the Cleveland County, Okla. Fairgrounds, and Erin Brickman had yet to sleep from the night before.
May 24, 2013
This Memorial Day weekend, 31.2 million Americans will drive 50 miles or more to a beach, campground or other getaway, according to car lobbying group AAA.
May 24, 2013
Tragedy is feared on one of the world's tallest peaks.
May 24, 2013
An earthquake in far northeastern California was felt by thousands of people as far away as San Francisco.
May 24, 2013
A survivor describes the horrifying ordeal that occurred Thursday night in Washington.
May 23, 2013
Officials are being attacked by residents in India because of a nasty heat wave.
May 23, 2013
There's a new record for the oldest person to scale Mount Everest, but it might not last long.
May 24, 2013
Blake Shelton and Carrie Underwood are planning ways to help those devastated in Oklahoma.
May 23, 2013
The young victims of the Moore, Okla. tornado are being remembered by grieving parents.
May 24, 2013
Walk through the history of the U.S. space program with this huge archive of vintage photos from NASA's library of photographs taken throughout the history of manned flight, jet engine development, and the creation of the manned missions to the moon and the Space Shuttle program.
May 23, 2013
Four tourists in Iceland got an expected trip when they set up a picnic on a floating iceberg.
May 22, 2013
In the wake of the devastating tornado that struck Moore, Okla., teachers and educators emerge as heroes.
May 23, 2013
The Moore tornado may have been among the costliest in U.S. history. We count down the top 5 prior to this tornado.
May 24, 2013
The long, tornadic history of the Oklahoma City metro area.
May 22, 2013
Moore, Okla. tornado survivor Bernie Morris recalls the chaos and devastation of the May 20 twister that struck the area.
May 23, 2013
There were far fewer homes damaged than originally believed, according to officials.
May 22, 2013
When a rare EF5 tornado hit Moore, Okla., on Monday afternoon, the citys medical professionals ran toward the destruction not away from it.
May 22, 2013
For survivors of Mondays devastating tornado that killed at least 24 and injured 120 more in suburban Oklahoma, the health threat might not end with the storm.
Weather Summary
Weather Underground Forecast for Saturday, May 25, 2013.

Showers and thunderstorms will develop again across the Northern and Central Plains on Saturday as a low pressure system continues moving eastward across the center of the nation. The system will continue pulling moisture and energy northward from the Gulf of Mexico, bringing showers and thunderstorms to the region from the Northern High Plains into the Mid-Mississippi River Valley. There is a chance that these storms will turn severe across eastern Montana and western North and South Dakotas and western Nebraska. Large hail, damaging winds, and periods of heavy rainfall are likely in these areas, with possibly a few tornadoes. This system will move relativity slowly, thus, expect flooding concerns to increase over the region.

To the south, onshore flow will persist for Texas, maintaining showers and thunderstorms throughout the state on Saturday. Severe storms are not anticipated, but heavy rainfall and problems with flooding may persist for the region. In the East, showery weather will continue for the Northeast on Saturday as a low pressure system lingers over the region. Strong and gusty winds will also continue as this system slowly moves offshore. Out West, another disturbance brings more rain to Washington and Oregon Saturday night into Sunday. High pressure dominating across California and the Desert Southwest will keep most of this moisture away to the north. Thus, expect another sunny and dry day for the rest of the West Coast.
Weather Underground Forecast for Saturday, May 25, 2013.

Showers and thunderstorms will develop again across the Northern and Central Plains on Saturday as a low pressure system continues moving eastward across the center of the nation. The system will continue pulling moisture and energy northward from the Gulf of Mexico, bringing showers and thunderstorms to the region from the Northern High Plains into the Mid-Mississippi River Valley. There is a chance that these storms will turn severe across eastern Montana and western North and South Dakotas and western Nebraska. Large hail, damaging winds, and periods of heavy rainfall are likely in these areas, with possibly a few tornadoes. This system will move relativity slowly, thus, expect flooding concerns to increase over the region.

To the south, onshore flow will persist for Texas, maintaining showers and thunderstorms throughout the state on Saturday. Severe storms are not anticipated, but heavy rainfall and problems with flooding may persist for the region. In the East, showery weather will continue for the Northeast on Saturday as a low pressure system lingers over the region. Strong and gusty winds will also continue as this system slowly moves offshore. Out West, another disturbance brings more rain to Washington and Oregon Saturday night into Sunday. High pressure dominating across California and the Desert Southwest will keep most of this moisture away to the north. Thus, expect another sunny and dry day for the rest of the West Coast.

Rancho Cucamonga Weather at a Glance

Updated 2:02 AM PDT
Elevation
1775 ft
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Now
Scattered Clouds
Scattered Clouds
Temperature
52.7 °F
Feels Like 52.7 °F
Wind(mph)
0.0
Sunrise / Set
5:42 AM
7:52 PM
Moon
Full
Tonight
Partly Cloudy 48 °F
Partly Cloudy
Saturday
Partly Cloudy 72 °F
Partly Cloudy
Saturday Night
Clear 52 °F
Clear
Sunday
Partly Cloudy 72 | 54 °F
Partly Cloudy
Monday
Partly Cloudy 73 | 54 °F
Partly Cloudy
Tuesday
Mostly Cloudy 77 | 48 °F
Mostly Cloudy
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
29.95 in
Visibility
10.0 miles
Clouds
Scattered Clouds 3500 ft
Scattered Clouds 25000 ft
Moisture
Humidity
90%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KONT 250853Z 26006KT 10SM SCT035 SCT250 13/10 A2998 RMK AO2 SLP142 T01330100 58001
Don't speak METAR? Read our FAQ.
Weather Radio
Temperature
Temperature
52.7 °F
72,76,77,77,74,73,70,68,65,62,60,58,57
Dew Point
50 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
0 out of 16
Pollen
4.50 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Moderate
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. Fog early. High of 72F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 52F. Winds from the SW at 5 to 15 mph.
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 72F. Winds from the SW at 10 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the SSW at 5 to 20 mph.
Monday
partlycloudy Partly cloudy. High of 73F. Winds from the SSW at 10 to 15 mph.
Monday Night
nt_partlycloudy Overcast in the evening, then partly cloudy. Low of 54F. Winds from the SW at 5 to 10 mph.
Tuesday
mostlycloudy Overcast. High of 77F. Winds from the WSW at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the SSW at 5 to 10 mph.
Wednesday
clear Clear. High of 73F. Winds from the SW at 10 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 54F. Winds from the SSW at 5 to 10 mph shifting to the North after midnight.
Thursday
clear Clear. High of 81F. Winds from the NNW at 5 to 10 mph shifting to the WSW in the afternoon.
Thursday Night
nt_clear Clear. Low of 55F. Winds from the NW at 5 to 10 mph shifting to the NNE after midnight.
Friday
clear Clear. High of 88F. Winds from the SSE at 5 to 10 mph.
Friday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Saturday
clear Clear. High of 82F. Winds from the SSW at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 55F. Winds from the West at 5 to 10 mph.
Sunday
clear Clear. High of 77F. Winds from the West at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Monday
clear Clear. High of 79F. Winds from the WSW at 5 to 10 mph.
Monday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Tuesday
clear Clear. High of 81F. Winds from the WSW at 5 to 10 mph.
Tuesday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
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Weather Forecast for Rancho Cucamonga CA

View Calendar 10-Day Forecast for station KCAALTAL11

Saturday, 25
Partly Cloudy
72 | 52 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 26
Partly Cloudy
72 | 54 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 27
Partly Cloudy
73 | 54 °F
Partly Cloudy
Chance of
Precipitation
10%
Tuesday, 28
Mostly Cloudy
77 | 48 °F
Mostly Cloudy
Chance of
Precipitation
0%
Wednesday, 29
Clear
73 | 54 °F
Clear
Chance of
Precipitation
0%
Thursday, 30
Clear
81 | 55 °F
Clear
Chance of
Precipitation
0%
Friday, 31
Clear
88 | 57 °F
Clear
Chance of
Precipitation
0%
Saturday, 1
Clear
82 | 55 °F
Clear
Chance of
Precipitation
0%
Sunday, 2
Clear
77 | 55 °F
Clear
Chance of
Precipitation
0%
Monday, 3
Clear
79 | 57 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. Fog early. High of 72F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 52F. Winds from the SW at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 45 67 | 44 66 | 43 52 | 45
Wind 4 mph SW 11 mph SSW 15 mph WSW 4 mph WSW
Humidity 77% 43% 43% 74%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 44% 14% 16% 26%
Conditions Fog Clear Clear Partly Cloudy
Sunrise & Sunset
5:42 AM
7:52 PM
The quality of the forecasted high temperature for this day is excellent. MaxT RMSE [1.21], Average RMSE [1.41]
The National Weather Service forecast quality is good. MaxT RMSE [1.59], Average RMSE [1.99] : Use NWS
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 72F. Winds from the SW at 10 to 15 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 54F. Winds from the SSW at 5 to 20 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 54 | 45 66 | 45 69 | 46 55 | 46
Wind 5 mph WSW 11 mph SSW 15 mph SW 3 mph SSW
Humidity 69% 47% 44% 70%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 36% 16% 17% 66%
Conditions Partly Cloudy Clear Clear Mostly Cloudy
Sunrise & Sunset
5:41 AM
7:53 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.72], Average RMSE [1.31]
The National Weather Service forecast quality is good. MaxT RMSE [1.94], Average RMSE [2.32] : Use NWS
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Monday
partlycloudy Partly cloudy. High of 73F. Winds from the SSW at 10 to 15 mph.
Monday Night
nt_partlycloudy Overcast in the evening, then partly cloudy. Low of 54F. Winds from the SW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 46 67 | 48 69 | 48 56 | 49
Wind 3 mph SSE 11 mph SW 12 mph SW 4 mph SSW
Humidity 74% 48% 48% 74%
Chance of Precip. 0% 10% 10% 0%
Cloud Cover 66% 35% 40% 1%
Conditions Mostly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
5:41 AM
7:54 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.27], Average RMSE [2.03]
The National Weather Service forecast quality is good. MaxT RMSE [2.45], Average RMSE [2.26] : Use NWS
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Tuesday
mostlycloudy Overcast. High of 77F. Winds from the WSW at 5 to 15 mph.
Tuesday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the SSW at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 45 68 | 45 64 | 47 51 | 49
Wind 3 mph WSW 9 mph WSW 12 mph SW 4 mph South
Humidity 66% 42% 59% 93%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 65% 100% 83% 74%
Conditions Mostly Cloudy Overcast Mostly Cloudy Fog
Sunrise & Sunset
5:41 AM
7:54 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.78], Average RMSE [2.07]
The National Weather Service forecast quality is good. MaxT RMSE [2.50], Average RMSE [2.05] : Use NWS
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Wednesday
clear Clear. High of 73F. Winds from the SW at 10 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 54F. Winds from the SSW at 5 to 10 mph shifting to the North after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 48 64 | 45 67 | 44 57 | 45
Wind 5 mph SW 11 mph WSW 12 mph SW 4 mph SSW
Humidity 74% 49% 43% 63%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 19% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.89], Average RMSE [2.45]
The National Weather Service forecast quality is fair. MaxT RMSE [3.06], Average RMSE [2.42] : Use NWS
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Thursday
clear Clear. High of 81F. Winds from the NNW at 5 to 10 mph shifting to the WSW in the afternoon.
Thursday Night
nt_clear Clear. Low of 55F. Winds from the NW at 5 to 10 mph shifting to the NNE after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 38 67 | 31 71 | 34 62 | 34
Wind 6 mph North 5 mph NW 8 mph WSW 6 mph North
Humidity 48% 26% 25% 33%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 20% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.57], Average RMSE [2.74]
The National Weather Service forecast quality is poor. MaxT RMSE [3.93], Average RMSE [3.22] : Use NWS
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Friday
clear Clear. High of 88F. Winds from the SSE at 5 to 10 mph.
Friday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 29 73 | 28 75 | 32 62 | 38
Wind 7 mph NNE 4 mph SSE 8 mph SW 2 mph SSW
Humidity 31% 18% 21% 41%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:39 AM
7:56 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.06], Average RMSE [2.96]
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Saturday
clear Clear. High of 82F. Winds from the SSW at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 55F. Winds from the West at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 37 70 | 34 75 | 32 60 | -9998
Wind 1 mph South 9 mph SW 8 mph SW 4 mph West
Humidity 42% 25% 21% -9998%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:39 AM
7:57 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.07], Average RMSE [4.30]
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Sunday
clear Clear. High of 77F. Winds from the West at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 37 70 | 34 75 | 32 59 | -9998
Wind 1 mph South 9 mph SW 8 mph SW 3 mph WSW
Humidity 42% 25% 21% -9998%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:39 AM
7:57 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.05], Average RMSE [2.53]
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Monday
clear Clear. High of 79F. Winds from the WSW at 5 to 10 mph.
Monday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 37 70 | 34 75 | 32 60 | -9998
Wind 1 mph South 9 mph SW 8 mph SW 3 mph WSW
Humidity 42% 25% 21% -9998%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:39 AM
7:58 PM
Source: BestForecast at 12:57 AM PDT on May 25, 2013
Descriptive Forecast
Tuesday
clear Clear. High of 81F. Winds from the WSW at 5 to 10 mph.
Tuesday Night
nt_clear Clear. Low of 57F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 37 70 | 34 72 | 53 61 | 51
Wind 1 mph South 9 mph SW 9 mph WSW 3 mph WSW
Humidity 42% 25% 50% 68%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% % %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
Sun does not rise
Nearby
History & Almanac
May 25, 2013 Max Temp Min Temp
Normal (KONT) 80 °F 56 °F
Record (KONT) 88 °F (2006) 48 °F (2010)
Yesterday 78 °F 57 °F
Yesterday's Cooling Degree Days: 3
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Rancho Palos Verdes, California 60 miles 3.2 2:41 AM PDT
2013-05-18
Minimum magnitude displayed is 2.5.
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
PM10
Yesterday Moderate
OZONE
Current Moderate
PM2.5
Current Good
OZONE
Sunday Good
PM10
Sunday Moderate
OZONE
Sunday Good
CO
Sunday Good
NO2
Astronomy
May. 25, 2013 Rise Set
Actual Time 5:42 AM PDT 7:52 PM PDT
Civil Twilight 5:13 AM PDT 8:21 PM PDT
Nautical Twilight 4:39 AM PDT 8:55 PM PDT
Astronomical Twilight 4:01 AM PDT 9:33 PM PDT
Moon 8:46 PM PDT 6:13 AM PDT
Length Of Visible Light 15h 07m
Length of Day
14h 10m
Tomorrow will be 1m 7s longer.
Full, 100% of the Moon is Illuminated
Today
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter
Jun 23
Full
Today's Extremes
State Highs State Lows
79 °F
Needles
73 °F
Thermal
73 °F
El Centro
73 °F
Palm Springs
72 °F
Imperial
37 °F
Truckee-Tahoe
39 °F
Big Bear City
41 °F
Weaverville
41 °F
Arcata
42 °F
Petaluma
Snow Depth
Station Depth Elevation
Leavitt Lake 55 in 9400 ft
Leavitt Meadows 1 in 7200 ft
Sonora Pass 0 in 8800 ft
Summit Meadow 1 in 9122 ft
Poison Flat 0 in 7900 ft
WunderPhotos®
Lucky Moon II
Sunrise on the American River
Uploaded by: SunsetSailor
1,614,738 photos uploaded!
WunderBlogs®
Hummingbird season
By calpoppy 5 hours ago
Travel & Activities
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Aviation
City Temp. Conditions Updated
Ontario 56 °F Scattered Clouds 1:53 AM PDT
La Verne This station is not reporting.
Chino 54 °F Haze 1:53 AM PDT
Riverside 58 °F Overcast 1:53 AM PDT
Flight To ETA Status
AAL679
Dallas-Fort Worth, TX
KONT 02:31AM On Time
FDX810
Honolulu, HI
KONT 04:20AM On Time
UPS908
Louisville, KY
KONT 05:35AM On Time
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KONT)
Wind Speed: 6.0 kts.
Wind Dir: (North)
Ceiling: Unlimited

METAR KONT 250853Z 26006KT 10SM SCT035 SCT250 13/10 A2998 RMK AO2 SLP142 T01330100 58001

Nearby Events
Event Date Forecast
Bullet For My Valentine: The HardDrive Tour 6:00 PM PDT
2013-04-19
Clear, 77°F
A Day To Remember 6:00 PM PDT
2013-04-21
Partly Cloudy, 73°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Cardinals vs. Dodgers 7:10 PM PDT on May 24, 2013 Partly Cloudy, 63 °F
Rangers vs. Mariners 7:10 PM PDT on May 24, 2013 Chance of Rain, 58 °F
Event Date Forecast
Hércules vs. Numancia 12:00 PM CEST on May 25, 2013 Clear, High 55° F/ 13° C
Guadalajara vs. Racing 12:00 PM CEST on May 25, 2013 Chance of Rain, High 55° F/ 13° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 26, 2013 Partly Cloudy, 74 °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 25, 2013 Chance of a Thunderstorm, 67 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 26, 2013 Mostly Cloudy, 68 °F
Videos
Year In Weather 2012

Watch the nearly year-long satellite animation as Weather Underground calls out the most significant weather events of the past year, including Superstorm Sandy and Hurricane Isaac.

Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Amethyst at Manzanita, Alta Loma, CA 52.7 °F - 50 °F 90% North  at  0.0 mph 0.00 in / hr 1775 ft 2:02 AM PDT Rapid Fire  
Haven and Banyan, Rancho Cucamonga, CA 54.3 °F - 53 °F 94% North  at  0.0 mph 0.00 in / hr 1617 ft 2:02 AM PDT Rapid Fire  
APRSWXNET Rancho Cucamonga CA , Upland, CA 51 °F - 48 °F 90% South  at  0 mph 0.00 in / hr 1959 ft 1:35 AM PDT MADIS
Pennhill Estates, Upland, CA 54.7 °F - 52 °F 90% NW  at  2.0 mph 0.00 in / hr 1539 ft 2:01 AM PDT Normal  
Milliken/Mountain View, Rancho Cucamonga, CA 56.0 °F - 52 °F 87% SSW  at  2.0 mph 0.00 in / hr 1295 ft 1:55 AM PDT Normal  
San Antonio Heights, Upland, CA 49.6 °F 50 °F 46 °F 89% WNW  at  0.0 mph 0.00 in / hr 2000 ft 2:02 AM PDT Rapid Fire  
23rd and Mountain, Upland, CA 50.3 °F - 46 °F 84% WSW  at  0.0 mph 0.00 in / hr 2000 ft 2:01 AM PDT Rapid Fire
Etiwanda, Rancho Cucamonga, CA 55.4 °F - 52 °F 90% South  at  0.0 mph - / hr 1404 ft 1:50 AM PDT Normal  
Wilson/Banyon, Rancho Cucamonga, CA 54.3 °F - 54 °F 98% West  at  1.1 mph - / hr 1555 ft 1:49 AM PDT Normal  
Looking Glass Estates, Upland, CA 54.9 °F - 47 °F 75% West  at  2.3 mph 0.00 in / hr 1774 ft 2:02 AM PDT Rapid Fire  
Arrow/Etiwanda, Rancho Cucamonga, CA 58.6 °F - 46 °F 63% West  at  7.6 mph 0.00 in / hr 1152 ft 2:02 AM PDT Rapid Fire  
210/15 fwys, Rancho Cucamonga, CA 53.2 °F - 50 °F 89% SW  at  0.0 mph 0.00 in / hr 1650 ft 2:02 AM PDT Rapid Fire  
RAWS CLAREMONT CA, Claremont, CA 51 °F - 50 °F 96% NW  at  2 mph 0.00 in / hr 1645 ft 12:55 AM PDT MADIS
MesoWest VNAVST , Guasti, CA 63 °F - - - North  at  - 0.00 in / hr 994 ft 1:05 AM PDT MADIS
Claremont North of Baseline, Claremont, CA 53.8 °F - 52 °F 93% WNW  at  1.0 mph 0.00 in / hr 1531 ft 2:00 AM PDT Normal  
APRSWXNET Ontario CA, Montclair, CA 54 °F - 48 °F 79% WNW  at  2 mph 0.00 in / hr 1145 ft 1:47 AM PDT MADIS
MesoWest ONTARO , Chino, CA 56 °F - - - North  at  - 0.00 in / hr 979 ft 1:20 AM PDT MADIS
Citrus Heights, Fontana, CA 57.2 °F - 47 °F 69% North  at  0.0 mph 0.00 in / hr 1550 ft 2:02 AM PDT Normal  
Werner Ent. Fontana, Fontana, CA 58.2 °F - 51 °F 78% WSW  at  1.0 mph 0.00 in / hr 1012 ft 2:01 AM PDT Rapid Fire  
Claremont-Claraboya, Claremont, CA 55.9 °F - 54 °F 95% SW  at  2.0 mph 0.00 in / hr 1505 ft 2:02 AM PDT Normal
RAWS LYTLE CREEK CA, Lytle Creek, CA 51 °F - 51 °F 100% WSW  at  2 mph 0.00 in / hr 2791 ft 1:15 AM PDT MADIS
Southwest Fontana, Fontana, CA 57.2 °F - 49 °F 73% West  at  0.0 mph 0.00 in / hr 994 ft 2:02 AM PDT Normal  
Geneva, Claremont, CA 56.0 °F - 52 °F 87% NW  at  0.0 mph 0.00 in / hr 1043 ft 2:00 AM PDT Normal  
MesoWest KENBRK , Lytle Creek, CA 56 °F - - - North  at  - 0.00 in / hr 2603 ft 11:10 PM PDT MADIS
RAWS TANBARK CA, La Verne, CA 49 °F 49 °F 47 °F 92% NNW  at  3 mph 0.00 in / hr 2600 ft 1:01 AM PDT MADIS
La Verne (Eastside), La Verne, CA 55.9 °F - 52 °F 87% WSW  at  0.0 mph - / hr 1050 ft 1:51 AM PDT Normal  
Bonita High School, La Verne, CA 56.6 °F - 52 °F 86% West  at  0.0 mph 0.00 in / hr 1049 ft 2:02 AM PDT Rapid Fire  
rialto airport, Rialto, CA 55.1 °F - 51 °F 85% WSW  at  2.0 mph 0.00 in / hr 1465 ft 2:02 AM PDT Rapid Fire  
RAWS DEVORE CA, San Bernardino, CA 53 °F - 48 °F 84% ENE  at  2 mph 0.00 in / hr 2081 ft 1:10 AM PDT MADIS
MesoWest RAMONA , Montclair, CA 58 °F - - - North  at  - 0.00 in / hr 916 ft 1:20 AM PDT MADIS
N/E Chino, Chino, CA 55.8 °F - 54 °F 92% WSW  at  4.2 mph - / hr 823 ft 1:50 AM PDT Normal  
Pomona Historic Lincoln Park, Pomona, CA 56.0 °F - 51 °F 84% WSW  at  0.0 mph 0.00 in / hr 911 ft 2:02 AM PDT Rapid Fire  
Central Chino, Chino, CA 55.9 °F - 51 °F 84% WNW  at  0.0 mph 0.00 in / hr 750 ft 2:02 AM PDT Rapid Fire  
North Central Chino, Chino, CA 56.2 °F - 50 °F 79% West  at  0.0 mph 0.00 in / hr 732 ft 2:02 AM PDT Rapid Fire  
Mt Baldy, Mt Baldy, CA 45.5 °F 46 °F 25 °F 45% North  at  0.0 mph - / hr 4100 ft 1:55 AM PDT Normal
RAWS ANF02 PORTABLE CA, Mt. Baldy, CA 42 °F 42 °F 28 °F 57% East  at  0 mph 0.00 in / hr 4669 ft 1:35 AM PDT MADIS
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