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

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

46°F

8°C

Humidity 87%
Wind Speed ESE 8 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 30 Nov 03:35 PM PST
Extended Forecast for

4 Miles SW Napa CA

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Calm wind becoming north around 5 mph after midnight.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 59. Light and variable wind becoming east 5 to 9 mph in the morning.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 39. North northeast wind 3 to 6 mph.

    Low: 39 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Light northwest wind becoming north northeast 5 to 10 mph in the evening. Winds could gust as high as 22 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Calm wind becoming north around 5 mph after midnight.
Monday
Sunny, with a high near 59. Light and variable wind becoming east 5 to 9 mph in the morning.
Monday Night
Increasing clouds, with a low around 39. North northeast wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 62. Calm wind becoming west southwest around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Light northwest wind becoming north northeast 5 to 10 mph in the evening. Winds could gust as high as 22 mph.
Wednesday
Sunny, with a high near 62. Breezy.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 62.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 41.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 60.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Napa CA
 38.26°N 122.36°W (Elev. 98 ft)
Last Update:
12:26 pm PST Nov 30, 2025
Forecast Valid:
3pm PST Nov 30, 2025-6pm PST Dec 7, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation