Winter Weather in the Eastern U.S.; Heavy Rains Begin Across the Southern Plains into the Ohio Valley

A wintry mix may impact travel across portions of the Mid-Atlantic through the morning and the Northeast U.S. through Tuesday. Heavy rain and thunderstorms may cause a flooding threat across the Southern Plains into the Ohio Valley beginning Tuesday. Fire weather concerns will continue across portions of the central and southern High Plains through Wednesday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

48°F

9°C

Humidity 100%
Wind Speed SSE 3 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 02 Mar 11:15 PM PST
Extended Forecast for

3 Miles SW Napa CA

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy dense fog before 10am.  Otherwise, mostly sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Patchy Dense
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 46. West southwest wind 3 to 5 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 65. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 65 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 45. Calm wind.
Tuesday
Patchy dense fog before 10am. Otherwise, mostly sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 46. West southwest wind 3 to 5 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 65. West wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 41. Northwest wind 6 to 10 mph, with gusts as high as 18 mph.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 70.
Friday Night
Clear, with a low around 52.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Napa CA
 38.26°N 122.34°W (Elev. 157 ft)
12:26 pm PST Mar 2, 2026
11pm PST Mar 2, 2026-6pm PDT Mar 9, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database