• Today

    May 3

    78°Lo 53°

    Clouds breaking for some sun

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      8 mph
  • Mon

    May 4

    75°Lo 50°

    Sunshine and patchy clouds

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      78°
    • Wind
      Speed
      9 mph
    more
  • Tue

    May 5

    73°Lo 51°

    Periods of sun

    Poor for home energy
    • Avg
      RealFeel
      64°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      8 mph
    more
  • Wed

    May 6

    72°Lo 51°

    Rather cloudy and cool

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      9 mph
    more
  • Thu

    May 7

    65°Lo 49°

    Clouds and sun with a shower

    Poor for home energy
    • Avg
      RealFeel
      57°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      10 mph
    more
Next Previous
Hi 78° RealFeel® 83° Precipitation 7%

Day

N

E

S

W

  • WSW 8 mph
  • Gusts: 20 mph

Clouds breaking for some sun

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 53° RealFeel® 53° Precipitation 9%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 13 mph

Partly cloudy this evening followed by late-night low clouds

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 3

more Historical Weather Data >
  Today Normal Record 5/3/2014
High 78° 78° 103° (1970) 92°
Low 53° 51° 35° (1959) 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:59 AM with 13:36 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:24 PM with 11:05 of moolight, then sets at 6:29 AM

Fontana Weather Report

Los Angeles: Cooler Weather to Return for First Week of May

May 3, 2015; 12:23 PM ET

Following several days of warm weather, temperatures will slide across the Los Angeles area, bringing for more pleasant weather through the weekend and into the new week. 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index