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.

Clear

55°F

13°C

Humidity 89%
Wind Speed W 10 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 01 Mar 07:54 PM PST
Extended Forecast for

7 Miles WSW Napa Co. Airport CA

  • Tonight

    Tonight: A 20 percent chance of rain after 11pm.  Patchy fog before 11pm, then patchy fog after midnight.  Otherwise, mostly cloudy, with a low around 51. Southwest wind 5 to 7 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of rain before 10am.  Areas of fog before 10am.  Otherwise, partly sunny, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Slight Chance
    Rain and
    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 48. West wind 3 to 6 mph.

    Low: 48 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am.  Otherwise, mostly sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 48. West wind around 8 mph.

    Low: 48 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 11pm. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 51. Southwest wind 5 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 20 percent chance of rain before 10am. Areas of fog before 10am. Otherwise, partly sunny, with a high near 64. Calm wind becoming west around 6 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 48. West wind 3 to 6 mph.
Tuesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tuesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 48. West wind around 8 mph.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Napa Co. Airport CA
 38.17°N 122.37°W (Elev. 3 ft)
12:26 pm PST Mar 1, 2026
8pm PST Mar 1, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database