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

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

39°F

4°C

Humidity 93%
Wind Speed E 3 MPH
Barometer 30.42 in (1030.14 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 11 Jan 12:20 AM PST
Extended Forecast for

8 Miles WNW Vacaville CA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 44. North northeast wind 3 to 5 mph.

    Low: 44 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55. North northeast wind 3 to 6 mph.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. Light north wind.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. North northeast wind around 6 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Calm wind becoming north around 5 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 44. North northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 55. North northeast wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 41. Light north wind.
Monday
Sunny, with a high near 53. North northeast wind around 6 mph.
Monday Night
Mostly clear, with a low around 42. Calm wind becoming north around 5 mph after midnight.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 58.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 45.
Saturday
Mostly sunny, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Vacaville CA
 38.39°N 122.11°W (Elev. 1365 ft)
Last Update:
12:26 am PST Jan 11, 2026
Forecast Valid:
12am PST Jan 11, 2026-6pm PST Jan 17, 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