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

4 Miles NNW Napa CA

  • Overnight

    Overnight: A slight chance of rain between 4am and 5am.  Patchy fog between 4am and 5am.  Otherwise, mostly cloudy, with a steady temperature around 51. Calm wind.  Chance of precipitation is 10%.

    Low: 51 °F

    Slight Chance
    Rain and
    Areas Fog

  • Monday

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

    High: 65 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 1am.  Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 7am.  Otherwise, mostly sunny, with a high near 67. Light and variable wind.

    High: 67 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 46. Light west wind.

    Low: 46 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    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 68.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

Detailed Forecast

Overnight
A slight chance of rain between 4am and 5am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a steady temperature around 51. Calm wind. Chance of precipitation is 10%.
Monday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind.
Monday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 45. Calm wind.
Tuesday
Areas of fog before 7am. Otherwise, mostly sunny, with a high near 67. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 46. Light west wind.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 68.
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 77.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Napa CA
 38.35°N 122.33°W (Elev. 105 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