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

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Mostly Cloudy

49°F

9°C

Humidity 86%
Wind Speed E 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 18 Jan 08:54 AM PST
Extended Forecast for

3 Miles NNW Vallejo CA

  • Today

    Today: Mostly sunny, with a high near 63. East wind around 6 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 62. East wind around 6 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 41. Light north northeast wind.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. East northeast wind around 7 mph.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45.

    Low: 45 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. East wind around 6 mph.
Tonight
Partly cloudy, with a low around 43. Calm wind.
M.L.King Day
Sunny, with a high near 62. East wind around 6 mph.
Monday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 41. Light north northeast wind.
Tuesday
Mostly sunny, with a high near 61. East northeast wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 45.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 60.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 58.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Saturday
Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Vallejo CA
 38.18°N 122.26°W (Elev. 56 ft)
Last Update:
12:26 am PST Jan 18, 2026
Forecast Valid:
9am PST Jan 18, 2026-6pm PST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation