• Today

    Sep 1

    87°Lo 61°

    Clouds and sun

    Unlikely for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      3%
    • Hours of Precip
      0
  • Wed

    Sep 2

    85°Lo 58°

    Partial sunshine

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Thu

    Sep 3

    84°Lo 56°

    Mostly sunny

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Fri

    Sep 4

    84°Lo 54°

    Areas of low clouds, then sun

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Sat

    Sep 5

    85°Lo 55°

    Plenty of sun

    Watch for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
Next Previous
Hi 87° RealFeel® 92° Precipitation 3%

Day

N

E

S

W

  • SW 6 mph
  • Gusts: 14 mph

Clouds and sun

  • Max UV Index: 7 (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 61° RealFeel® 61° Precipitation 5%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 10 mph

Overcast

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

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2014
High 87° 92° 109° (1955) 95°
Low 61° 63° 53° (1965) 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 12:53 of sunlight, then sets at 7:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:28 PM with 13:19 of moolight, then sets at 10:47 AM

Fontana Weather Report

Los Angeles: September to Start With Cooler Conditions

September 1, 2015; 3:43 PM ET

The first few days of September will feature cooler conditions across much of the Los Angeles Basin. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Tue. Hair Frizz

Tue. Wind Maps

Tue. UV Index