Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

70°F

21°C

Humidity 73%
Wind Speed S 12 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Sep 06:35 PM PDT
Extended Forecast for

4 Miles WSW Napa CA

  • Tonight

    Tonight: Mostly clear, with a low around 52. West southwest wind 6 to 11 mph becoming light  in the evening.

    Low: 52 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, then gradually becoming sunny, with a high near 77. Light west southwest wind becoming west 13 to 18 mph in the morning. Winds could gust as high as 26 mph.

    High: 77 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. West wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78. West northwest wind 5 to 8 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 51. West wind 5 to 10 mph becoming light west northwest  in the evening.

    Low: 51 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 51.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am.  Otherwise, sunny, with a high near 78.

    High: 78 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 52. West southwest wind 6 to 11 mph becoming light in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 77. Light west southwest wind becoming west 13 to 18 mph in the morning. Winds could gust as high as 26 mph.
Saturday Night
Mostly clear, with a low around 51. West wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 29 mph.
Sunday
Sunny, with a high near 78. West northwest wind 5 to 8 mph.
Sunday Night
Clear, with a low around 51. West wind 5 to 10 mph becoming light west northwest in the evening.
Monday
Sunny, with a high near 83.
Monday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 51.
Tuesday
Areas of fog before 9am. Otherwise, sunny, with a high near 78.
Tuesday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 50.
Wednesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 77.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 50.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Napa CA
 38.28°N 122.37°W (Elev. 407 ft)
2:41 pm PDT Sep 11, 2026
6pm PDT Sep 11, 2026-6pm PDT Sep 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database