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    • Tonight

      Sep 24

      51° 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: Moderate
    • Sun

      Sep 25

      99° /57°
      Sizzling sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Mon

      Sep 26

      99° /57°
      Sunshine and very hot
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      Sep 27

      93° /55°
      Mostly sunny and hot
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      Sep 28

      83° /51°
      Not as hot with sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    72° RealFeel® 70°
    Clear
    • 4 mph
    • Humidity: 56%
    • Pressure: 30.00 in
    • UV Index: 0
    • Cloud Cover: 0%
    • Ceiling: 40000 ft
    • Dew Point: 56° F
    • Visibility: 10 mi

    Sunrise/Sunset

    • Sunrise: 6:59 AM
    • Sunset: 7:01 PM
    • Duration: 12:02 hr

    Moonrise/Moonset

    • Moonrise: 12:50 AM
    • Moonset: 3:20 PM
    • Duration: 14:30 hr
    Astronomy

    TEMPERATURE SUMMARY

      Temp (°F)
    Now 72°
    Yesterday 79°
    RealFeel® 70°
    RealFeel® Shade 70°
    Wind Chill 72°
    Dew Point 56°
      Hi / Lo
    Previous 6 Hours 90°/72°
    Previous 12 Hours 90°/57°
    Previous 24 Hours 90°/50°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/24/2015
    High 90° 82° 104° (1964) 94°
    Low 51° 52° 39° (1932) 58°

    PRECIPITATION SUMMARY

      Amount (in)
    Previous 1 Hour 0
    Previous 3 Hours 0
    Previous 6 Hours 0
    Previous 9 Hours 0
    Previous 12 Hours 0
    Previous 18 Hours 0
    Previous 24 Hours 0

    Napa Weather Report

    Northern California towns in danger of running out of water for 3rd year in a row

    September 24, 2016; 11:51 AM ET

    For the third year in a row, some communities in northern California may run out of water due to the extreme drought conditions gripping the state. More >

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps