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    • Today

      Oct 1

      76° /47°F
      Sunshine, but cool
      • 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
    • Sun

      Oct 2

      68° /46°
      Mainly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      62° /51°
      A passing morning shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      72° /46°
      Clouds breaking and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Oct 5

      77° /48°
      Low clouds, then sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    76° RealFeel® 76°
    Sunny
    • 15 mph
    • Humidity: 35%
    • Pressure: 30.01 in ↓
    • UV Index: 2
    • Cloud Cover: 0%
    • Ceiling: 37400 ft
    • Dew Point: 47° F
    • Visibility: 10 mi

    Sunrise/Sunset

    • Sunrise: 7:06 AM
    • Sunset: 6:50 PM
    • Duration: 11:44 hr

    Moonrise/Moonset

    • Moonrise: 7:39 AM
    • Moonset: 7:31 PM
    • Duration: 11:52 hr
    Astronomy

    TEMPERATURE SUMMARY

      Temp (°F)
    Now 76°
    Yesterday 81°
    RealFeel® 76°
    RealFeel® Shade 72°
    Wind Chill 76°
    Dew Point 47°
      Hi / Lo
    Previous 6 Hours 76°/60°
    Previous 12 Hours 76°/41°
    Previous 24 Hours 76°/41°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/1/2015
    High 76° 81° 106° (1980) 77°
    Low 47° 51° 36° (1950) 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

    Cooler air, showers to aid in wildfire efforts across California this weekend

    October 1, 2016; 4:10 PM ET

    While gusty winds will raise the fire danger in Nevada on Sunday, a storm system will provide beneficial weather to firefighters across a large part of California. More >

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps