• Today

    Sep 20

    83°Lo 60°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Sep 21

    83°Lo 61°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Mon

    Sep 22

    87°Lo 61°

    Warm with plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Tue

    Sep 23

    89°Lo 63°

    Very warm with plenty of sun

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
  • Wed

    Sep 24

    89°Lo 63°

    Sunny and remaining warm

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 83° RealFeel® 87° Precipitation 3%

Day

N

E

S

W

  • SSW 4 mph
  • Gusts: 8 mph

Mostly sunny

  • 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® 60° Precipitation 0%

Night

N

E

S

W

  • ESE 2 mph
  • Gusts: 5 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

Monrovia Pollen Levels - September 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 83° 84° 105° (1939) 77°
Low 61° 62° 46° (1941) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:11 of sunlight, then sets at 6:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:23 AM with 13:02 of moolight, then sets at 5:25 PM

Top Story

Monrovia Weather Report

Sunny Days Continue for Los Angeles

September 20, 2014; 5:06 AM ET

Sunny skies will continue to bathe the Los Angeles area. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps