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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

43°F

6°C

Humidity 86%
Wind Speed NW 5 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 26 Jan 10:20 PM PST
Extended Forecast for

5 Miles SSE Sonoma CA

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Increasing clouds, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely
    and Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.

    High: 60 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Thursday

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

    High: 62 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 62.

    High: 62 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 37. Calm wind.
Tuesday
Rain likely, mainly after 4pm. Increasing clouds, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely, mainly before 10pm. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 46. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 60. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 40. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 62.
Thursday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 43.
Friday
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 62.
Friday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 62.
Saturday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Sunday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 63.
Sunday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Sonoma CA
 38.22°N 122.44°W (Elev. 3 ft)
Last Update:
1:29 pm PST Jan 26, 2026
Forecast Valid:
10pm PST Jan 26, 2026-6pm PST Feb 2, 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