National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. 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 53%
Wind Speed SSW 13 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 12:00 PM PDT
Extended Forecast for

7 Miles SE Lake Berryessa CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Southwest wind 5 to 8 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, clear, with a low around 53. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Clear then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 87 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55. West southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Southwest wind 5 to 8 mph.
Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 53. West southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, sunny, with a high near 87. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Sunday Night
Clear, with a low around 55. West southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 90. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 55.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 56.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Lake Berryessa CA
 38.52°N 122.14°W (Elev. 886 ft)
Last Update:
11:27 am PDT Jun 20, 2026
Forecast Valid:
12pm PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation