Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

70°F

21°C

Humidity 64%
Wind Speed SSW 10 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 26 Jul 10:35 AM PDT
Extended Forecast for

7 Miles S Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 88. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. West southwest wind 5 to 8 mph becoming calm  after midnight. Winds could gust as high as 18 mph.

    Low: 56 °F

    Clear

  • Monday

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

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. West southwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 56. West southwest wind 5 to 8 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Monday
Sunny, with a high near 89. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 60. West southwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 63.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 91.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 95.
Friday Night
Clear, with a low around 62.
Saturday
Sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles S Lake Berryessa CA
 38.48°N 122.25°W (Elev. 1198 ft)
9:36 am PDT Jul 26, 2026
10am PDT Jul 26, 2026-6pm PDT Aug 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database