Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

Lat: 38.2075°NLon: 122.27944°WElev: 33.0ft.

Clear

70°F

21°C

Humidity 64%
Wind Speed E 9 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Feb 10:15 AM PST
Extended Forecast for

4 Miles NNW Napa CA

  • Today

    Today: Partly sunny, with a high near 76. Calm wind becoming southwest around 5 mph.

    High: 76 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of dense fog before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 65 °F

    Areas Dense
    Fog then
    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 10pm.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 48. Light west southwest wind.

    Low: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Areas of fog before 10am.  Otherwise, partly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm.  Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 67.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 76. Calm wind becoming southwest around 5 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Sunday
Areas of dense fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 65. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
A 30 percent chance of rain, mainly after 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 48. Light west southwest wind.
Monday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 67. Calm wind.
Monday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 46.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 68.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Napa CA
 38.35°N 122.33°W (Elev. 105 ft)
1:21 am PST Feb 28, 2026
10am PST Feb 28, 2026-6pm PST Mar 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database