, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      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

      83° /58°F
      Clouds breaking for sun
      • Excellent
      • for stargazing
      • Cloud Cover: 56%
      • Precip: 2%
      • Hours of Precip: 0
    • Mon

      Aug 21

      80° /58°
      Low clouds, then sunshine
      • Excellent
      • for stargazing
      • Cloud Cover: 10%
      • Precip: 1%
      • Hours of Precip: 0
      More
    • Tue

      Aug 22

      81° /56°
      Low clouds, then sun
      • Good
      • for stargazing
      • Cloud Cover: 29%
      • Precip: 0%
      • Hours of Precip: 0
      More
    • Wed

      Aug 23

      82° /56°
      Low clouds, then sunshine
      • Good
      • for stargazing
      • Cloud Cover: 27%
      • Precip: 0%
      • Hours of Precip: 0
      More

    Day

    83°Hi RealFeel® 86° Precipitation 1%
    Low clouds followed by sunshine
    • Winds from the
    • WSW 9 mph
    • Gusts: 16 mph
    • Max UV Index: 10 (Extreme)
    • 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

    58°Lo RealFeel® 54° Precipitation 2%
    Mainly clear in the evening followed by low clouds late
    • Winds from the
    • WSW 8 mph
    • Gusts: 14 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 8/20/2016
    High 83° 83° 102° (1950) 80°
    Low 58° 55° 45° (1927) 55°

    Sunrise/Sunset

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

    Moonrise/Moonset

    • Moonrise: 5:13 AM
    • Moonset: 7:24 PM
    • Duration: 14:11 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