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

Dangerous Cold and Gusty Winds Anticipated This Weekend

A significant arctic outbreak will bring frigid temperatures and dangerously cold wind chills to the Northeast and Mid-Atlantic this weekend. Strong winds which could produce tree damage and power outages, and periods of snow squalls are also possible. Relief from this cold and a warming trend is forecast to commence by the beginning to middle of next week. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

55°F

13°C

Humidity 76%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 05 Feb 09:35 PM PST
Extended Forecast for

Sonoma CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 67. Light and variable wind.

    High: 67 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 64. Light and variable wind.

    High: 64 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before noon. Otherwise, partly sunny, with a high near 63.

    High: 63 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of rain. Areas of fog. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain and
    Areas Fog

  • Monday

    Monday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Areas Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A slight chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain and
    Patchy Fog

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Calm wind.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 67. Light and variable wind.
Friday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 42. Calm wind.
Saturday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 64. Light and variable wind.
Saturday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.
Sunday
Areas of fog before noon. Otherwise, partly sunny, with a high near 63.
Sunday Night
A 20 percent chance of rain. Areas of fog. Otherwise, mostly cloudy, with a low around 44.
Monday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A slight chance of rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 40.
Tuesday
A chance of rain, mainly after 10am. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 57.
Tuesday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Areas of fog. Otherwise, mostly cloudy, with a high near 56.
Wednesday Night
A slight chance of rain. Patchy fog. Otherwise, partly cloudy, with a low around 37.
Thursday
A slight chance of rain. Patchy fog. Otherwise, mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
Last Update:
12:26 pm PST Feb 5, 2026
Forecast Valid:
9pm PST Feb 5, 2026-6pm PST Feb 12, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation