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Personalized Forecasts

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    • Tonight

      Aug 18

      56° Lo
      Increasing clouds
      • Stargazing
      • Weather
      • Cloud Cover: 57%
      • Precip: 0%
      • Hours of Precip: 0
      More
    • Sat

      Aug 19

      82° /56°
      Low clouds, then sun
      • Very Good
      • for stargazing
      • Cloud Cover: 55%
      • Precip: 0%
      • Hours of Precip: 0
      More
    • Sun

      Aug 20

      84° /57°F
      Clouds breaking for sun
      • Excellent
      • for stargazing
      • Cloud Cover: 14%
      • Precip: 0%
      • Hours of Precip: 0
    • Mon

      Aug 21

      81° /58°
      Low clouds, then sunshine
      • Excellent
      • for stargazing
      • Cloud Cover: 10%
      • Precip: 3%
      • Hours of Precip: 0
      More
    • Tue

      Aug 22

      83° /56°
      Low clouds, then sun
      • Good
      • for stargazing
      • Cloud Cover: 42%
      • Precip: 0%
      • Hours of Precip: 0
      More
    59°/57° RealFeel® 57°/55°
    Mainly clear
    • Winds from the W
    • 7 mph
    • Precipitation: 0%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 87%
    • Cloud Cover: 26%
    • Dew Point: 55° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/20/2016
    High 84° 83° 102° (1950) 80°
    Low 57° 55° 45° (1927) 55°

    Sunrise/Sunset

    • Sunrise: 6:28 AM
    • Sunset: 7:56 PM
    • Duration: 13:28 hr

    Moonrise/Moonset

    • Moonrise: 5:12 AM
    • Moonset: 7:24 PM
    • Duration: 14:12 hr
    Astronomy

    Solunar Information for Napa, CA

    Mon, Aug 21
    New
    Tue, Aug 29
    First
    Wed, Sep 6
    Full
    Wed, Sep 13
    Last

    Sun. Stargazing