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 W 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 02 Mar 01:54 AM PST
Extended Forecast for

5 Miles W Napa Co. Airport CA

  • Overnight

    Overnight: A 20 percent chance of rain between 4am and 5am.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 50. Southwest wind 3 to 5 mph.

    Low: 50 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday

    Monday: A 10 percent chance of rain before 7am.  Patchy fog before 8am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the morning.

    High: 64 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. West northwest wind 7 to 14 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Light west wind increasing to 8 to 13 mph in the morning.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. West wind around 11 mph.

    Low: 47 °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 42.

    Low: 42 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Thursday Night

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

    Low: 48 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain between 4am and 5am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 50. Southwest wind 3 to 5 mph.
Monday
A 10 percent chance of rain before 7am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 46. West northwest wind 7 to 14 mph.
Tuesday
Mostly sunny, with a high near 65. Light west wind increasing to 8 to 13 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 47. West wind around 11 mph.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 67.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Napa Co. Airport CA
 38.21°N 122.38°W (Elev. 3 ft)
12:26 am PST Mar 2, 2026
2am PST Mar 2, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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