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    • Early AM

      Sep 26

      69° Lo
      Windy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Today

      Sep 26

      96° /67°
      Sunny, windy and very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      97° /64°F
      Partly sunny, windy and warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Wed

      Sep 28

      90° /59°
      Plenty of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      86° /60°
      Sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    95°/82° RealFeel® 95°/79°
    Partly sunny
    • 16 mph
    • Precipitation: 3%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 13%
    • Cloud Cover: 26%
    • Dew Point: 33° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 97° 87° N/A 94°
    Low 64° 56° N/A 68°

    Sunrise/Sunset

    • Sunrise: 6:47 AM
    • Sunset: 6:44 PM
    • Duration: 11:57 hr

    Moonrise/Moonset

    • Moonrise: 3:40 AM
    • Moonset: 5:05 PM
    • Duration: 13:25 hr
    Astronomy

    Simi Valley Weather Report

    Santa Ana winds, heat to raise wildfire threat across Southern California through Monday

    September 25, 2016; 11:47 PM ET

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

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps