Ontario International, CA

11:06 AM PDT on May 26, 2012 (GMT -0700)
Elev: 942 ft
Lon: 117.6° W
Lat: 34.1° N
Source
Rapid Fire Updates™
 Updated 10:53 AM PDT Get Free Weather Stickers® Share:
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Tropical Weather: Subtropical Storm Beryl (North Atlantic) Post-Tropical Cyclone Bud (East Pacific) Typhoon Sanvu (Western Pacific)
Weather Summary
Kari Kiefer
Weather Underground Forecast for Saturday, May 26, 2012.

Subtropical Storm Beryl formed late Friday off the Carolina Coast and is expected to move slowly southwestward over the weekend. The storm may maintain tropical storm strength as it approaches the northeast coast of Florida later Sunday night. The storm itself may dump a significant amount of rain on this part of Florida and adjacent areas of Georgia, potentially good news to an area that is currently in an exceptional drought.

The main weather feature over the nation will be a low pressure system moving off the Rockies and into the Plains on Saturday. Flow around this system continues pushing a warm front eastward, over the Plains and through the Midwest. Expect widespread showers and thunderstorms to develop along this frontal boundary, from the Northern and Central Plains through the Great Lakes. Some of these storms will turn severe with strong winds, large hail, and heavy rainfall. Severe thunderstorms are most likely over Minnesota, Wisconsin, and Iowa. By Saturday evening, the tail end of this system will reach the Northeast, bringing lighter and more widespread showers and thunderstorms to the region.

The back side of this broad low pressure system will continue pulling cool air in from Canada. This will allow for rain showers to turn to snow showers at the highest elevations of the Northern Rockies, Intermountain West, and Central Rockies. At the same time, strong and gusty winds will persist for the southern side of this system. In combination with warm and dry conditions, this will maintain high fire danger for the Southwest and Southern Rockies.
Weather Underground Forecast for Saturday, May 26, 2012.

Subtropical Storm Beryl formed late Friday off the Carolina Coast and is expected to move slowly southwestward over the weekend. The storm may maintain tropical storm strength as it approaches the northeast coast of Florida later Sunday night. The storm itself may dump a significant amount of rain on this part of Florida and adjacent areas of Georgia, potentially good news to an area that is currently in an exceptional drought.

The main weather feature over the nation will be a low pressure system moving off the Rockies and into the Plains on Saturday. Flow around this system continues pushing a warm front eastward, over the Plains and through the Midwest. Expect widespread showers and thunderstorms to develop along this frontal boundary, from the Northern and Central Plains through the Great Lakes. Some of these storms will turn severe with strong winds, large hail, and heavy rainfall. Severe thunderstorms are most likely over Minnesota, Wisconsin, and Iowa. By Saturday evening, the tail end of this system will reach the Northeast, bringing lighter and more widespread showers and thunderstorms to the region.

The back side of this broad low pressure system will continue pulling cool air in from Canada. This will allow for rain showers to turn to snow showers at the highest elevations of the Northern Rockies, Intermountain West, and Central Rockies. At the same time, strong and gusty winds will persist for the southern side of this system. In combination with warm and dry conditions, this will maintain high fire danger for the Southwest and Southern Rockies.
Weather Underground Broadcast Network

Ontario International Weather at a Glance

Updated 10:53 AM PDT
Weather Station
Ontario (KONT)
Elevation
942 ft
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Now
Mostly Cloudy
Mostly Cloudy
Temperature
60 °F
Feels Like 60 °F
Wind(mph)
6
Sunrise / Set
5:42 AM
7:53 PM
Moon
Waxing Crescent
Today
Partly Cloudy 68 °F
Partly Cloudy
Tonight
Partly Cloudy 48 °F
Partly Cloudy
Tomorrow
Partly Cloudy 77 | 57 °F
Partly Cloudy
Monday
Clear 82 | 54 °F
Clear
Tuesday
Partly Cloudy 82 | 55 °F
Partly Cloudy
Wednesday
Partly Cloudy 84 | 59 °F
Partly Cloudy
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
29.98 in
Visibility
10.0 miles
Clouds
Scattered Clouds 3500 ft
Mostly Cloudy 4200 ft
Mostly Cloudy 6000 ft
Moisture
Humidity
49%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KONT 261753Z 21005KT 10SM SCT035 BKN042 BKN060 16/05 A2999 RMK AO2 SLP152 T01560050 10161 20094 51018
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Temperature
60 °F
Dew Point
41 °F
Wind
Speed / Dir
6 mph from SSW
Wind Gust
Health
UV
5 out of 16
Pollen
4.40 out of 12
Pollen Forecast
Ozone
Good
Flu Activity
Local Activity
View Flu Map
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Source: BestForecast
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 68F. Winds from the SSW at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the SW at 5 to 15 mph shifting to the NNW after midnight.
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 77F. Winds from the WSW at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 57F. Winds from the South at 5 to 15 mph shifting to the East after midnight.
Monday
clear Clear. High of 82F. Winds from the SSW at 5 to 15 mph.
Monday Night
nt_clear Clear in the evening, then partly cloudy. Low of 54F. Winds less than 5 mph.
Tuesday
partlycloudy Partly cloudy in the morning, then clear. High of 82F. Winds from the SSW at 5 to 15 mph.
Tuesday Night
nt_clear Clear in the evening, then partly cloudy. Low of 55F. Winds less than 5 mph.
Wednesday
partlycloudy Partly cloudy in the morning, then clear. High of 84F. Winds from the WSW at 5 to 15 mph.
Wednesday Night
nt_clear Partly cloudy. Low of 59F. Winds less than 5 mph.
Thursday
partlycloudy Partly cloudy. High of 90F. Winds from the WSW at 5 to 15 mph.
Thursday Night
nt_clear Partly cloudy. Low of 61F. Winds less than 5 mph.
Friday
partlycloudy Partly cloudy. High of 86F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds less than 5 mph.
Saturday
partlycloudy Partly cloudy. High of 84F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 59F. Winds less than 5 mph.
Sunday
partlycloudy Partly cloudy. High of 84F. Winds from the SW at 5 to 15 mph.
Sunday Night
nt_clear Partly cloudy. Low of 55F. Winds less than 5 mph.
Monday
clear Clear. High of 84F. Winds from the SW at 5 to 10 mph.
Monday Night
nt_clear Partly cloudy. Low of 55F. Winds less than 5 mph.
Tuesday
clear Clear. High of 86F. Winds from the SW at 5 to 10 mph.
Tuesday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
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Forecast

View Calendar 10-Day Forecast for station KONT

Saturday, 26
Partly Cloudy
68 | 48 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 27
Partly Cloudy
77 | 57 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 28
Clear
82 | 54 °F
Clear
Chance of
Precipitation
0%
Tuesday, 29
Partly Cloudy
82 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 30
Partly Cloudy
84 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 31
Partly Cloudy
90 | 61 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 1
Partly Cloudy
86 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 2
Partly Cloudy
84 | 59 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 3
Partly Cloudy
84 | 55 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 4
Clear
84 | 55 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 68F. Winds from the SSW at 5 to 15 mph.
Saturday Night
nt_partlycloudy Partly cloudy. Fog overnight. Low of 48F. Winds from the SW at 5 to 15 mph shifting to the NNW after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 47 | 44 57 | 43 65 | 47 53 | 44
Wind 3 mph NNW 7 mph SW 13 mph SW 4 mph SW
Humidity 91% 59% 53% 77%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 46% 48% 64% 43%
Conditions Partly Cloudy Partly Cloudy Mostly Cloudy Partly Cloudy
Sunrise & Sunset
5:42 AM
7:53 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.75], Average RMSE [1.43]
The National Weather Service forecast quality is good. MaxT RMSE [1.64], Average RMSE [1.90] : Use NWS
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 77F. Winds from the WSW at 5 to 15 mph.
Sunday Night
nt_clear Clear. Low of 57F. Winds from the South at 5 to 15 mph shifting to the East after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 51 | 48 68 | 47 73 | 47 60 | 49
Wind 2 mph NE 6 mph WSW 12 mph WSW 1 mph ESE
Humidity 92% 44% 39% 67%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 12% 35% 13% 4%
Conditions Fog Partly Cloudy Clear Clear
Sunrise & Sunset
5:41 AM
7:53 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.63], Average RMSE [1.25]
The National Weather Service forecast quality is good. MaxT RMSE [2.26], Average RMSE [2.18] : Use NWS
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Monday
clear Clear. High of 82F. Winds from the SSW at 5 to 15 mph.
Monday Night
nt_clear Clear in the evening, then partly cloudy. Low of 54F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 57 | 48 72 | 46 75 | 46 58 | 44
Wind 1 mph ESE 9 mph WSW 11 mph WSW 2 mph SE
Humidity 69% 38% 36% 58%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 5% 6% 2% 6%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:41 AM
7:54 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.47], Average RMSE [1.71]
The National Weather Service forecast quality is fair. MaxT RMSE [2.86], Average RMSE [2.42] : Use NWS
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Tuesday
partlycloudy Partly cloudy in the morning, then clear. High of 82F. Winds from the SSW at 5 to 15 mph.
Tuesday Night
nt_clear Clear in the evening, then partly cloudy. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 47 74 | 54 75 | 51 58 | 50
Wind 1 mph SE 9 mph SW 9 mph SW 1 mph SE
Humidity 72% 47% 41% 75%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 50% 51% 4% 6%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.16], Average RMSE [1.61]
The National Weather Service forecast quality is fair. MaxT RMSE [3.32], Average RMSE [2.44] : Use NWS
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy in the morning, then clear. High of 84F. Winds from the WSW at 5 to 15 mph.
Wednesday Night
nt_clear Partly cloudy. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 56 | 52 75 | 54 77 | 48 62 | 54
Wind 1 mph NNW 8 mph SW 9 mph SW 1 mph NW
Humidity 82% 48% 37% 75%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 36% 48% 6% 5%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.70], Average RMSE [2.02]
The National Weather Service forecast quality is poor. MaxT RMSE [4.17], Average RMSE [2.73] : Use NWS
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Thursday
partlycloudy Partly cloudy. High of 90F. Winds from the WSW at 5 to 15 mph.
Thursday Night
nt_clear Partly cloudy. Low of 61F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 55 79 | 58 83 | 53 62 | 55
Wind 2 mph NW 9 mph SW 9 mph SW 2 mph SSE
Humidity 80% 47% 36% 74%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 37% 44% 7% 8%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.62], Average RMSE [1.94]
The National Weather Service forecast quality is poor. MaxT RMSE [4.76], Average RMSE [2.59] : Use NWS
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Friday
partlycloudy Partly cloudy. High of 86F. Winds from the WSW at 5 to 15 mph.
Friday Night
nt_partlycloudy Partly cloudy. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 61 | 56 79 | 62 79 | 54 63 | 58
Wind 1 mph WNW 9 mph SW 9 mph SW 2 mph South
Humidity 86% 53% 44% 83%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 40% 48% 7% 0%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.68], Average RMSE [1.83]
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 84F. Winds from the SW at 5 to 15 mph.
Saturday Night
nt_clear Partly cloudy. Low of 59F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 54 78 | 60 76 | 59 62 | 58
Wind 2 mph South 9 mph SW 9 mph SW 4 mph SW
Humidity 78% 51% 55% 92%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 41% 49% 9% 9%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.37], Average RMSE [1.76]
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy. High of 84F. Winds from the SW at 5 to 15 mph.
Sunday Night
nt_clear Partly cloudy. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 59 69 | 52 78 | 58 60 | 55
Wind 2 mph SW 6 mph SSW 10 mph WSW 4 mph SW
Humidity 95% 54% 52% 77%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 19% 95% 3% 14%
Conditions Clear Overcast Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.37], Average RMSE [1.70]
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Monday
clear Clear. High of 84F. Winds from the SW at 5 to 10 mph.
Monday Night
nt_clear Partly cloudy. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 50 74 | 58 77 | 56 62 | 49
Wind 2 mph SW 5 mph SSW 9 mph WSW 4 mph SW
Humidity 72% 58% 47% 61%
Chance of Precip. 10% 0% 0% 10%
Cloud Cover 24% 14% 3% 14%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
Source: BestForecast at 6:43 AM PDT on May 26, 2012
Descriptive Forecast
Tuesday
clear Clear. High of 86F. Winds from the SW at 5 to 10 mph.
Tuesday Night
nt_clear Clear. Low of 55F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 50 75 | 57 79 | 55 62 | 46
Wind 2 mph WSW 5 mph SSW 9 mph WSW 3 mph SW
Humidity 70% 54% 44% 56%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 24% 15% 5% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
7:55 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
Active Notice: Record Report  (US Severe Weather)
History & Almanac
May 26, 2012 Max Temp Min Temp
Normal 82 °F 55 °F
Record 101 °F (1974) 39 °F (1980)
Yesterday 71 °F 53 °F
Yesterday's Heating Degree Days: 3
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Calexico, CA 149 miles 2.5 11:58 PM PDT
2012-05-24
Barstow, CA 79 miles 3.2 10:45 PM PDT
2012-05-23
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
OZONE
Current Good
OZONE
Sunday Good
OZONE
Sunday Good
PM10
Sunday Good
CO
Sunday Good
NO2
Astronomy
May. 26, 2012 Rise Set
Actual Time 5:42 AM PDT 7:53 PM PDT
Civil Twilight 5:13 AM PDT 8:21 PM PDT
Nautical Twilight 4:38 AM PDT 8:56 PM PDT
Astronomical Twilight 4:01 AM PDT 9:34 PM PDT
Moon 10:41 AM PDT No Moon Set
Length Of Visible Light 15h 08m
Length of Day
14h 11m
Tomorrow will be 1m 4s longer.
Waxing Crescent, 29% of the Moon is Illuminated
Today
Waxing Crescent
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Visit Astronomy
Today's Extremes
State Highs State Lows
71 °F
Thermal
71 °F
El Centro
69 °F
Palm Springs
69 °F
Imperial
68 °F
Needles
28 °F
Big Bear City
32 °F
South Lake Tahoe
32 °F
Truckee-Tahoe
35 °F
Blue Canyon
35 °F
Sandberg
Record Extremes
Snow Depth
Station Depth Elevation
Leavitt Lake 21 in 9400 ft
Leavitt Meadows 1 in 7200 ft
Sonora Pass 0 in 8800 ft
Lobdell Lake 1 in 9200 ft
Summit Meadow 0 in 9122 ft
Snow Depth Reports — Snow Depth Map
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
Hot Water Music and Touche Amore 7:00 PM PDT 2012-05-26 Mostly Cloudy, 62°F
align | kingdom integration lab 10:00 AM PDT 2012-05-26 Partly Cloudy, 53°F
align | kingdom integration lab 2:00 PM PDT 2012-05-26 Mostly Cloudy, 63°F
Ontario Warriors Indoor Football: Ontario vs. Las Vegas 7:00 PM PDT 2012-05-28 Clear, 72°F
Pass Business, Make Money, Develop Friendships and Eat Breakfast 7:00 AM PDT 2012-05-30 Partly Cloudy, 58°F
Inland Cities West Monthly Business Mixer 6:00 PM PDT 2012-05-30 Clear, 77°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Ontario 60 °F Mostly Cloudy 10:53 AM PDT
Chino 65 °F Mostly Cloudy 10:53 AM PDT
La Verne - Mostly Cloudy 10:47 AM PDT
Corona 62 °F Mostly Cloudy 10:56 AM PDT
View all Aviation Tools
Flight To ETA Status
SWA435
Sacramento, CA 		KONT 11:06AM On Time
AWE647
Phoenix, AZ 		KONT 11:17AM On Time
SWA3569
Oakland, CA 		KONT 11:34AM On Time
SKW4760
Salt Lake City, UT 		KONT 12:43PM On Time
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KONT)
Wind Speed: 5.0 kts.
Wind Dir: 210° (SSW)
Ceiling: 4200 ft

METAR KONT 261753Z 21005KT 10SM SCT035 BKN042 BKN060 16/05 A2999 RMK AO2 SLP152 T01560050 10161 20094 51018

View all Reports & Maps
Sports
Event Date Forecast
Padres vs. Mets 1:10 PM EDT on May 26, 2012 Chance of a Thunderstorm, 83 °F
Tigers vs. Twins 6:10 PM UTC on May 26, 2012 Chance of a Thunderstorm, 67 °F
Astros vs. Dodgers 7:10 PM PDT on May 26, 2012 Partly Cloudy, 58 °F
Astros vs. Dodgers 1:10 PM PDT on May 27, 2012 Clear, 74 °F
Event Date Forecast
Brescia vs. Crotone 3:00 PM CEST on May 26, 2012 Thunderstorm, High 71° F/ 22° C
Sheffield United vs. Huddersfield Town 3:00 PM BST on May 26, 2012 Clear, High 71° F/ 22° C
Event Date Forecast
Coca-Cola 600 6:16 PM EDT on May 27, 2012 Chance of a Thunderstorm, 83 °F
FedEx 400 benefiting Autism Speaks 1:15 PM EDT on June 03, 2012 Average High 79° F/ 26° C
Event Date Forecast
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 26, 2012 Mostly Cloudy, 72 °F
Crowne Plaza Invitational at Colonial 8:30 AM CDT on May 27, 2012 Mostly Cloudy, 70 °F
View all Sports Weather
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Arrow / Vineyard, Rancho Cucamonga, CA 59.7 °F - 39 °F 46% SSW  at  2.0 mph 0.00 in / hr 1173 ft 11:06 AM PDT Rapid Fire  
MesoWest Upland , Upland, CA 54 °F - 44 °F 69% WSW  at  4 mph 0.00 in / hr 1243 ft 10:00 AM PDT MADIS
Milliken/Mountain View, Rancho Cucamonga, CA 60.6 °F - 39 °F 44% SSW  at  2.0 mph 0.00 in / hr 1295 ft 11:02 AM PDT Normal  
APRSWXNET Ontario CA, Montclair, CA 60 °F - 42 °F 52% WNW  at  2 mph 0.00 in / hr 1145 ft 10:41 AM PDT MADIS
I-210 at Archibald Ave, Rancho Cucamonga, CA 57.5 °F - 43 °F 58% WNW  at  4.0 mph 0.00 in / hr 1555 ft 11:00 AM PDT Normal  
Werner Ent. Fontana, Fontana, CA 59.4 °F - 42 °F 53% NNW  at  2.0 mph 0.00 in / hr 1012 ft 11:06 AM PDT Rapid Fire  
Amethyst at Manzanita, Alta Loma, CA 57.2 °F - 45 °F 64% NW  at  4.0 mph 0.00 in / hr 1775 ft 11:06 AM PDT Rapid Fire  
Eastvale, CA 64.0 °F - 46 °F 51% South  at  4.5 mph 0.00 in / hr 614 ft 11:06 AM PDT Rapid Fire  
Weather in, Eastvale, CA 63.7 °F - 45 °F 50% North  at  0.9 mph 0.00 in / hr 643 ft 11:06 AM PDT Rapid Fire  
Southwest Fontana, Fontana, CA 61.8 °F - 38 °F 42% West  at  3.0 mph 0.00 in / hr 994 ft 11:06 AM PDT Rapid Fire  
Looking Glass Estates, Upland, CA 56.7 °F - 38 °F 50% WNW  at  0.0 mph 0.00 in / hr 1774 ft 11:06 AM PDT Rapid Fire  
MesoWest Fontana-Arrow Highway , Fontana, CA 55 °F - 42 °F 61% South  at  5 mph 0.00 in / hr 928 ft 10:00 AM PDT MADIS
Providence Ranch, Corona, CA 63.9 °F - 37 °F 37% ENE  at  0.0 mph 0.00 in / hr 580 ft 11:06 AM PDT Rapid Fire  
Enclos Corp., Pomona, CA 61.4 °F - 45 °F 54% NW  at  4.0 mph 0.00 in / hr 806 ft 11:06 AM PDT Normal  
Geneva, Claremont, CA 60.8 °F - 46 °F 58% ESE  at  1.0 mph 0.00 in / hr 1043 ft 11:02 AM PDT Normal  
MesoWest Mira Loma Van Buren , Mira Loma, CA 64 °F - 47 °F 55% SE  at  4 mph 0.00 in / hr 757 ft 10:00 AM PDT MADIS
Etiwanda Estates, Etiwanda, CA 57.3 °F - 45 °F 63% South  at  0.0 mph 0.00 in / hr 1620 ft 11:05 AM PDT Rapid Fire
Claremont North of Baseline, Claremont, CA 56.5 °F - 45 °F 65% SSW  at  2.0 mph 0.00 in / hr 1531 ft 11:05 AM PDT Normal  
Claremont (Eagle Grove), Claremont, CA 57.2 °F - 46 °F 67% SE  at  6.3 mph - / hr 1256 ft 11:01 AM PDT Normal
RAWS CLAREMONT CA, Claremont, CA 57 °F - 45 °F 63% SSW  at  6 mph 0.00 in / hr 1645 ft 9:55 AM PDT MADIS
The Villiages, Fontana, CA 58.4 °F - - - WNW  at  2.0 mph 0.00 in / hr 1309 ft 11:06 AM PDT Normal  
Pomona Historic Lincoln Park, Pomona, CA 62.2 °F - 45 °F 53% South  at  1.0 mph 0.00 in / hr 911 ft 11:06 AM PDT Rapid Fire  
MesoWest Pomona , Pomona, CA - - - - SE  at  3 mph 0.00 in / hr 886 ft 9:00 AM PDT MADIS
APRSWXNET Claremont CA , Claremont, CA 61 °F - 43 °F 52% North  at  3 mph 0.00 in / hr 984 ft 10:49 AM PDT MADIS
APRSWXNET Chino Hills CA , Chino Hills, CA 64 °F - 45 °F 51% WSW  at  11 mph 0.00 in / hr 740 ft 10:43 AM PDT MADIS
Claremont-Claraboya, Claremont, CA 59.5 °F - 39 °F 47% South  at  5.4 mph 0.00 in / hr 1505 ft 11:06 AM PDT Normal
Alterra, Chino Hills, CA 63.2 °F - 43 °F 48% West  at  8.1 mph 0.00 in / hr 780 ft 11:06 AM PDT Rapid Fire
Los Serranos Ranch, Chino Hills, CA 67.6 °F - 35 °F 30% SW  at  5.8 mph 0.00 in / hr 840 ft 11:05 AM PDT Normal
210/15 fwys, Rancho Cucamonga, CA 56.8 °F - 46 °F 67% North  at  0.0 mph 0.00 in / hr 1450 ft 11:06 AM PDT Rapid Fire  
La Verne (Eastside), La Verne, CA 60.6 °F - 46 °F 58% West  at  1.0 mph 0.00 in / hr 1050 ft 11:06 AM PDT Normal  
Village Oaks, Chino Hills, CA 66.4 °F - 32 °F 28% SSW  at  8.7 mph 0.00 in / hr 760 ft 11:06 AM PDT Rapid Fire
Citrus Heights, Fontana, CA 57.7 °F - 22 °F 25% West  at  0.0 mph 0.00 in / hr 1550 ft 11:06 AM PDT Normal  
La Verne Heights, La Verne, CA 62.1 °F - 41 °F 46% SW  at  3.8 mph 0.00 in / hr 1467 ft 11:05 AM PDT Normal  
La Verne, CA 63.1 °F - 36 °F 36% SSW  at  3.6 mph 0.00 in / hr 1200 ft 11:06 AM PDT Rapid Fire
Norco Hills, Norco, CA 60.7 °F - 43 °F 52% South  at  4.0 mph 0.00 in / hr 889 ft 11:06 AM PDT Rapid Fire
La Sierra, Riverside, CA 75.0 °F 75 °F 21 °F 13% NE  at  3.5 mph 0.00 in / hr 724 ft 11:06 AM PDT Rapid Fire
APRSWXNET Rancho Cucamonga CA , Upland, CA 55 °F - 47 °F 73% South  at  0 mph 0.00 in / hr 1959 ft 10:49 AM PDT MADIS
San Antonio Heights, Upland, CA 54.4 °F - 46 °F 72% West  at  3.0 mph 0.00 in / hr 2000 ft 11:06 AM PDT Rapid Fire  
23rd and Mountain, Upland, CA 59.0 °F - 46 °F 61% SW  at  5.0 mph 0.00 in / hr 2000 ft 11:02 AM PDT Rapid Fire
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Record Report
Mobile & Email Alerts Statement as of 5:40 PM PDT on May 25, 2012

... Lowest maximum temperature records broken or tied on may 25...

Location new record old record period of record

El Cajon 64 tied 64 in 1987 since 1979
Escondido 62 63 in 1995 since 1979
Vista 63 66 in 2008 since 1957


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