• Today

    Jul 31

    97°Lo 67°

    Mostly sunny and warm

    Fair for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      101°
    • Wind
      Speed
      6 mph
  • Fri

    Aug 1

    97°Lo 67°

    Sunny and seasonably warm

    Fair for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      100°
    • Wind
      Speed
      6 mph
    more
  • Sat

    Aug 2

    95°Lo 68°

    Partly sunny and seasonable

    Fair for home energy
    • Avg
      RealFeel
      82°
    • Hi
      RealFeel
      99°
    • Wind
      Speed
      5 mph
    more
  • Sun

    Aug 3

    93°Lo 68°

    A thunderstorm in the area

    Fair for home energy
    • Avg
      RealFeel
      83°
    • Hi
      RealFeel
      100°
    • Wind
      Speed
      5 mph
    more
  • Mon

    Aug 4

    94°Lo 65°

    Mostly sunny

    Fair for home energy
    • Avg
      RealFeel
      81°
    • Hi
      RealFeel
      100°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
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Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 82° 85° 89° 93° 96° 97° 97° 95°
RealFeel® 86° 91° 96° 100° 101° 100° 99° 96°
Humidity 51% 45% 39% 34% 30% 28% 27% 28%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
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Snow
 
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Ice
 
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  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 2 SW 3 SSW 4 SSW 5 SW 6 SW 7 WSW 8 WSW 9 WSW
UV Index 3 5 7 9 9 9 7 5
Cloud Cover 21% 17% 14% 12% 11% 11% 11% 11%
Dew Point 62° 62° 61° 61° 60° 59° 59° 57°
Middle Grid line 100 F Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2013
High 97° N/A N/A 87°
Low 67° N/A N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:00 AM with 13:52 of sunlight, then sets at 7:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:18 AM with 12:04 of moolight, then sets at 10:22 PM

Top Story

Fontana Weather Report

Los Angeles: Boy Dies in Hot Car Amid High Temperatures

July 31, 2014; 9:45 AM ET

A three-year-old boy died near Los Angeles Wednesday afternoon after becoming trapped in a car outside of house, according to the Associated Press, as high heat gripped the area. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index