Severe Weather and Heavy Rain for the Plains and Mid-Atlantic; Building Heat in the West

Severe thunderstorms will remain possible in the Mid-Atlantic through Tuesday. Severe thunderstorms and heavy rain will also be possible in the central/southern Plains on Tuesday and Wednesday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry weather will create Elevated to Critical fire weather conditions in the Four Corners Region. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

54°F

12°C

Humidity 93%
Wind Speed WSW 9 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 6.00 mi
Last update 23 Jun 04:35 AM PDT
Extended Forecast for

6 Miles SSE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. Southwest wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 56. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 56 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Tonight
Clear, with a low around 55. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Clear, with a low around 56. Southwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 84.
Friday Night
Clear, with a low around 56.
Saturday
Sunny, with a high near 81.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 86.
Sunday Night
Clear, with a low around 59.
Monday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
1:26 am PDT Jun 23, 2026
4am PDT Jun 23, 2026-6pm PDT Jun 29, 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