Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

73°F

23°C

Humidity 46%
Wind Speed SW 5 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 23 Mar 02:15 PM PDT
Extended Forecast for

3 Miles SSE Lake Berryessa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. West southwest wind around 7 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 53. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 53 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. West wind around 5 mph becoming calm  in the evening.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. West southwest wind around 7 mph.
Tonight
Clear, with a low around 53. West southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 81. Calm wind becoming west around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 51. West wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 80. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Lake Berryessa CA
 38.53°N 122.23°W (Elev. 991 ft)
1:41 pm PDT Mar 23, 2026
2pm PDT Mar 23, 2026-6pm PDT Mar 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database