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 W 8 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 01 Mar 08:00 AM PST
Extended Forecast for

2 Miles SE Lake Berryessa CA

  • Today

    Today: Patchy fog between 9am and 10am.  Otherwise, partly sunny, with a high near 64. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 2am.  Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 51. West southwest wind around 6 mph becoming calm  after midnight.

    Low: 51 °F

    Partly Cloudy
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, mostly sunny, with a high near 63. Calm wind.

    High: 63 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 49. Light west northwest wind.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Patchy fog between 9am and 10am. Otherwise, partly sunny, with a high near 64. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tonight
A 20 percent chance of rain after 2am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 51. West southwest wind around 6 mph becoming calm after midnight.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 63. Calm wind.
Monday Night
Mostly clear, with a low around 49. Light west northwest wind.
Tuesday
Sunny, with a high near 67. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Clear, with a low around 48.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Lake Berryessa CA
 38.55°N 122.21°W (Elev. 440 ft)
1:17 am PST Mar 1, 2026
8am PST Mar 1, 2026-6pm PST Mar 7, 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