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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mist

38°F

3°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 38°F (3°C)
Visibility 0.75 mi
Last update 27 Dec 04:41 AM PST
Extended Forecast for

8 Miles WNW Vacaville CA

  • Today

    Today: Mostly sunny, with a high near 46. North wind 6 to 8 mph.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 44. North northwest wind 6 to 8 mph, with gusts as high as 22 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 47. North wind around 9 mph, with gusts as high as 20 mph.

    High: 47 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. North wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49. North northeast wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 46. North wind 6 to 8 mph.
Tonight
Partly cloudy, with a steady temperature around 44. North northwest wind 6 to 8 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 47. North wind around 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 39. North wind 3 to 7 mph. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 49. North northeast wind 7 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 49.
Wednesday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 41.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Partly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Vacaville CA
 38.39°N 122.11°W (Elev. 1365 ft)
Last Update:
12:27 am PST Dec 27, 2025
Forecast Valid:
4am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
Forecast Discussion
 
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