Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

55°F

13°C

Humidity 93%
Wind Speed N 4 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 02 Mar 08:20 AM PST
Extended Forecast for

Napa CA

  • Today

    Today: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 65. Calm wind.

    High: 65 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog between 9pm and 1am.  Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Light southwest wind.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 46. Light west southwest wind.

    Low: 46 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66. Light west wind becoming west northwest 5 to 9 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind.
Tonight
Patchy fog between 9pm and 1am. Otherwise, mostly clear, with a low around 45. Calm wind.
Tuesday
Mostly sunny, with a high near 66. Light southwest wind.
Tuesday Night
Increasing clouds, with a low around 46. Light west southwest wind.
Wednesday
Mostly sunny, with a high near 66. Light west wind becoming west northwest 5 to 9 mph in the morning.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 67.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Napa CA
 38.29°N 122.29°W (Elev. 20 ft)
2:17 am PST Mar 2, 2026
8am PST Mar 2, 2026-6pm PDT Mar 8, 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