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.

Clear

55°F

13°C

Humidity 87%
Wind Speed W 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 52°F (11°C)
Visibility 8.00 mi
Last update 22 Jun 10:50 PM PDT
Extended Forecast for

7 Miles SW Lake Berryessa CA

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 50. Southwest wind 3 to 5 mph.

    Low: 50 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming south southwest 5 to 8 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 51. West southwest wind around 6 mph becoming calm  after midnight.

    Low: 51 °F

    Clear then
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 2am.  Otherwise, mostly clear, with a low around 52. Southwest wind 5 to 7 mph becoming calm  after midnight.

    Low: 52 °F

    Clear then
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 53.

    Low: 53 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 50. Southwest wind 3 to 5 mph.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming south southwest 5 to 8 mph in the afternoon.
Tuesday Night
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 51. West southwest wind around 6 mph becoming calm after midnight.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 52. Southwest wind 5 to 7 mph becoming calm after midnight.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 78.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53.
Saturday
Patchy fog before 7am. Otherwise, sunny, with a high near 75.
Saturday Night
Clear, with a low around 52.
Sunday
Sunny, with a high near 80.
Sunday Night
Clear, with a low around 55.
Monday
Sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Lake Berryessa CA
 38.51°N 122.34°W (Elev. 699 ft)
9:31 pm PDT Jun 22, 2026
11pm PDT Jun 22, 2026-6pm PDT Jun 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database