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    • Today

      Sep 25

      95° /68°
      Very windy; sunny and warm
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Sep 26

      97° /66°F
      Sunny, windy and warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Tue

      Sep 27

      89° /60°
      Mostly sunny and very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      87° /59°
      Plenty of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      85° /59°
      Sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Monday
    12am
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    7am
    Forecast Clear Clear Clear Clear Clear Clear Clear Sunny
    Temp (°F) 72° 71° 70° 69° 68° 69° 69° 69°
    RealFeel® 68° 67° 66° 65° 64° 65° 64° 65°
    Wind (mph) 14 NNE 15 NNE 15 NNE 16 NNE 15 NNE 15 NE 18 NE 20 NE
    precip
    12am
    1am
    2am
    3am
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    7am
    Rain
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Snow
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    Ice
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    0%
    SKY
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    7am
    UV Index 0 0 0 0 0 0 0 0
    Cloud Cover 0% 0% 0% 0% 0% 0% 0% 0%
    Humidity 21% 22% 23% 24% 25% 26% 25% 23%
    Dew Point 30° 31° 31° 31° 31° 32° 31° 30°
    Temp °F
    12am
    1am
    2am
    3am
    4am
    5am
    6am
    7am
    75° 70° 65°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 97° 87° N/A 96°
    Low 66° 56° N/A 73°

    Sunrise/Sunset

    • Sunrise: 6:47 AM
    • Sunset: 6:45 PM
    • Duration: 11:58 hr

    Moonrise/Moonset

    • Moonrise: 2:42 AM
    • Moonset: 4:26 PM
    • Duration: 13:44 hr
    Astronomy

    Simi Valley Weather Report

    Santa Ana winds to raise wildfire threat across Southern California into Monday

    September 25, 2016; 5:47 AM ET

    Hot, dry and windy weather into Monday will lead to an increased risk of wildfires across Southern California. More >

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps