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    • Tonight

      Sep 24

      63° Lo F
      Clear
      • 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
    • Sun

      Sep 25

      96° /68°
      Abundant sunshine and hot
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Sep 26

      96° /71°
      Hot with scorching sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      92° /64°
      Partly sunny and very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      88° /62°
      Low clouds, then sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    90°Hi RealFeel® 97° Precipitation 3%
    Sunshine and warmer; excessive dry weather will result in a high fire threat
    • WSW 5 mph
    • Gusts: 12 mph
    • Max UV Index: 7 (High)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    63°Lo RealFeel® 63° Precipitation 4%
    Clear
    • E 4 mph
    • Gusts: 8 mph
    • Max UV Index: N/A
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Downey Pollen Levels Sep 24

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/24/2015
    High 90° 84° N/A 93°
    Low 63° 65° N/A 67°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:45 PM
    • Duration: 12:02 hr

    Moonrise/Moonset

    • Moonrise: 12:43 AM
    • Moonset: 2:54 PM
    • Duration: 14:11 hr
    Astronomy

    Downey Weather Report

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

    September 24, 2016; 11:47 PM ET

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

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps