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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

46°F

8°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 46°F (8°C)
Visibility 1.50 mi
Last update 16 Apr 05:02 AM PDT
Extended Forecast for

6 Miles SE Lake Berryessa CA

  • Today

    Today: Sunny, with a high near 67. North wind 6 to 14 mph, with gusts as high as 30 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 47. North wind around 11 mph, with gusts as high as 34 mph.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 74. North wind 6 to 9 mph, with gusts as high as 26 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Light and variable wind.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Today
Sunny, with a high near 67. North wind 6 to 14 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 47. North wind around 11 mph, with gusts as high as 34 mph.
Friday
Sunny, with a high near 74. North wind 6 to 9 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 46. Light and variable wind.
Saturday
Mostly sunny, with a high near 75. Light and variable wind.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 70.
Sunday Night
A chance of rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 48.
Monday
A chance of rain. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 63.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Patchy fog. Otherwise, partly sunny, with a high near 63.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 44.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Lake Berryessa CA
 38.51°N 122.2°W (Elev. 541 ft)
Last Update:
1:46 am PDT Apr 16, 2026
Forecast Valid:
5am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation