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

72°F

22°C

Humidity 68%
Wind Speed S 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 28 Feb 04:00 PM PST
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 52. Light southwest wind.

    Low: 52 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 10pm.  Patchy fog after 1am.  Otherwise, mostly cloudy, with a low around 48. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Areas Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 3am.  Otherwise, mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 52. Light southwest wind.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 66. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Sunday Night
A 30 percent chance of rain, mainly after 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 48. West southwest wind around 5 mph becoming calm in the evening.
Monday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 67. Calm wind.
Monday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 46. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 68.
Thursday Night
Clear, with a low around 50.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
12:26 pm PST Feb 28, 2026
4pm PST Feb 28, 2026-6pm PST Mar 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database