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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

45°F

7°C

Humidity 100%
Wind Speed WNW 3 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 Apr 08:00 AM PDT
Extended Forecast for

4 Miles N Sonoma CA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 60. West wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 60 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 43. West wind 9 to 14 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 10 to 18 mph, with gusts as high as 33 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 50. North wind 9 to 15 mph, with gusts as high as 30 mph.

    Low: 50 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 65. North wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Partly sunny, with a high near 60.

    High: 60 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 60. West wind 6 to 11 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 43. West wind 9 to 14 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 60. North wind 10 to 18 mph, with gusts as high as 33 mph.
Thursday Night
Clear, with a low around 50. North wind 9 to 15 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 65. North wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 48.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
A chance of rain. Partly sunny, with a high near 60.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 51.
Monday
A chance of rain. Partly sunny, with a high near 57.
Monday Night
A chance of rain. Mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Partly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Sonoma CA
 38.36°N 122.45°W (Elev. 1818 ft)
Last Update:
1:56 am PDT Apr 15, 2026
Forecast Valid:
8am PDT Apr 15, 2026-6pm PDT Apr 21, 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