• Today

    Sep 1

    85°Lo 61°

    Times of sun and clouds

    Unlikely for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Wed

    Sep 2

    84°Lo 59°

    Partly sunny

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

    Sep 3

    83°Lo 57°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      4%
    • Hours of Precip
      0
  • Fri

    Sep 4

    83°Lo 54°

    Areas of low clouds, then sun

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

    Sep 5

    84°Lo 53°

    Low clouds, then sunshine

    Watch for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
Next Previous
Hi 83° RealFeel® 87° Precipitation 4%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 14 mph

Mostly sunny

  • Max UV Index: 8 (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 57° RealFeel® 58° Precipitation 3%

Night

N

E

S

W

  • S 4 mph
  • Gusts: 10 mph

Clear

  • 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 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 83° 91° N/A 89°
Low 57° 62° N/A 67°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:26 AM with 12:48 of sunlight, then sets at 7:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:59 PM with 13:57 of moolight, then sets at 12:56 PM

Pomona Weather Report

Los Angeles: September to Start With Cooler Conditions

September 1, 2015; 4:43 AM 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.

Thu. Hair Frizz

Thu. Wind Maps

Thu. UV Index