National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

66°F

19°C

Humidity 59%
Wind Speed SW 11 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 24 Sep 08:05 PM PDT
Extended Forecast for

Napa CA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Light south southwest wind.

    Low: 57 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 79. Light south southwest wind becoming west southwest 5 to 9 mph in the morning.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 57. Light south southwest wind.
Friday
Sunny, with a high near 79. Light south southwest wind becoming west southwest 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 75. Calm wind becoming south southwest around 6 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 85.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
Last Update:
1:57 pm PDT Sep 24, 2026
Forecast Valid:
8pm PDT Sep 24, 2026-6pm PDT Oct 1, 2026
 
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Additional Resources

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National Digital Forecast Database

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Chance of Precipitation