Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

57°F

14°C

Humidity 93%
Wind Speed W 8 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 04 Sep 11:54 PM PDT
Extended Forecast for

3 Miles SSE Napa Co. Airport CA

  • Overnight

    Overnight: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74. Light west wind becoming west southwest 5 to 10 mph in the morning.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 54. West southwest wind 3 to 8 mph.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Southwest wind 5 to 13 mph, with gusts as high as 18 mph.

    High: 72 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 54. West southwest wind 6 to 11 mph becoming light  in the evening. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 74. Light west wind becoming west southwest 5 to 10 mph in the morning.
Saturday Night
Increasing clouds, with a low around 54. West southwest wind 3 to 8 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Southwest wind 5 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Mostly clear, with a low around 54. West southwest wind 6 to 11 mph becoming light in the evening. Winds could gust as high as 18 mph.
Labor Day
Sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A slight chance of rain. Partly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
A slight chance of rain. Partly cloudy, with a low around 61.
Friday
Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Napa Co. Airport CA
 38.18°N 122.26°W (Elev. 56 ft)
11:26 pm PDT Sep 4, 2026
12am PDT Sep 5, 2026-6pm PDT Sep 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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