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 73%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 27 Feb 05:15 PM PST
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 52. Light west southwest wind.

    Low: 52 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, partly sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 66 °F

    Patchy Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers.  Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 47. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 66.

    High: 66 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 7am.  Otherwise, sunny, with a high near 68.

    High: 68 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

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

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Calm wind.
Saturday
Increasing clouds, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 52. Light west southwest wind.
Sunday
Patchy fog before 7am. Otherwise, partly sunny, with a high near 66. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
A 20 percent chance of showers. Patchy fog after 2am. Otherwise, partly cloudy, with a low around 47. West southwest wind around 5 mph becoming calm in the evening.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 66.
Monday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 46.
Tuesday
Patchy fog before 7am. Otherwise, sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Clear, with a low around 46.
Thursday
Sunny, with a high near 67.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 71.
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)
3:04 pm PST Feb 27, 2026
5pm PST Feb 27, 2026-6pm PST Mar 6, 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