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    • Tonight

      Aug 18

      56° Lo
      Increasing clouds
      • Fishing
      • Weather
      • Precip: 0%
      • Cloud Cover: 42%
      • Wind Speed: 8 mph
      More
    • Sat

      Aug 19

      82° /56°
      Low clouds, then sun
      • Very Good
      • for fishing
      • Precip: 0%
      • Cloud Cover: 53%
      • Wind Speed: 9 mph
      More
    • Sun

      Aug 20

      84° /57°
      Clouds breaking for sun
      • Very Good
      • for fishing
      • Precip: 0%
      • Cloud Cover: 54%
      • Wind Speed: 8 mph
      More
    • Mon

      Aug 21

      81° /58°F
      Low clouds, then sunshine
      • Very Good
      • for fishing
      • Precip: 2%
      • Cloud Cover: 56%
      • Wind Speed: 10 mph
    • Tue

      Aug 22

      83° /56°
      Low clouds, then sun
      • Poor
      • for fishing
      • Precip: 0%
      • Cloud Cover: 56%
      • Wind Speed: 9 mph
      More

    Day

    81°Hi RealFeel® 85° Precipitation 2%
    Low clouds followed by sunshine
    • Winds from the
    • SW 10 mph
    • Gusts: 16 mph
    • Max UV Index: 10 (Extreme)
    • Thunderstorms: 2%
    • 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® 55° Precipitation 3%
    Clear
    • Winds from the
    • W 8 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 6%
    • 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 8/21/2016
    High 81° 83° 100° (1969) 76°
    Low 58° 55° 44° (1935) 56°

    Sunrise/Sunset

    • Sunrise: 6:28 AM
    • Sunset: 7:55 PM
    • Duration: 13:27 hr

    Moonrise/Moonset

    • Moonrise: 6:19 AM
    • Moonset: 8:05 PM
    • Duration: 13:46 hr
    Astronomy

    Solunar Information for Napa, CA

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

    Mon. Fishing Weather