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.

Overcast

54°F

12°C

Humidity 93%
Wind Speed NW 4 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 02 Mar 02:35 AM PST
Extended Forecast for

5 Miles SSW Lake Berryessa CA

  • Overnight

    Overnight: A slight chance of rain between 4am and 5am.  Mostly cloudy, with a low around 48. Light west southwest wind.  Chance of precipitation is 10%.

    Low: 48 °F

    Slight Chance
    Rain

  • Monday

    Monday: Mostly sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. West wind 3 to 5 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46. West wind around 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

Detailed Forecast

Overnight
A slight chance of rain between 4am and 5am. Mostly cloudy, with a low around 48. Light west southwest wind. Chance of precipitation is 10%.
Monday
Mostly sunny, with a high near 61. Light and variable wind.
Monday Night
Mostly clear, with a low around 45. West wind 3 to 5 mph.
Tuesday
Sunny, with a high near 65. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 46. West wind around 6 mph.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 68.
Friday Night
Clear, with a low around 53.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Lake Berryessa CA
 38.5°N 122.28°W (Elev. 1355 ft)
2:17 am PST Mar 2, 2026
2am 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