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    • Tonight

      Sep 25

      68° Lo
      Clear; breezy late
      • 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
    • Mon

      Sep 26

      100° /71°F
      Very hot with sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Tue

      Sep 27

      96° /65°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      91° /64°
      Plenty of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      89° /65°
      Warm with plenty of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    100°Hi RealFeel® 104° Precipitation 7%
    Very hot with blazing sunshine; extreme heat can be dangerous for outdoor activities
    • N 7 mph
    • Gusts: 15 mph
    • 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

    Night

    71°Lo RealFeel® 68° Precipitation 7%
    Mainly clear
    • ENE 4 mph
    • Gusts: 8 mph
    • 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

    Santa Ana Pollen Levels Sep 26

    • 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 9/26/2015
    High 100° 82° 110° (1963) 85°
    Low 71° 61° 40° (1948) 68°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:41 PM
    • Duration: 11:58 hr

    Moonrise/Moonset

    • Moonrise: 2:39 AM
    • Moonset: 4:22 PM
    • Duration: 13:43 hr
    Astronomy

    Santa Ana Weather Report

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

    September 25, 2016; 9:47 PM ET

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

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps