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

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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Overcast

54°F

12°C

Humidity 87%
Wind Speed E 3 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 50°F (10°C)
Visibility 7.00 mi
Last update 28 Jan 02:35 AM PST
Extended Forecast for

2 Miles N Sonoma CA

  • Overnight

    Overnight: A 50 percent chance of rain. Mostly cloudy, with a low around 45. North northwest wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Chance Rain

  • Wednesday

    Wednesday: Areas of fog between 8am and 10am. Otherwise, mostly sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog. Otherwise, partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Areas Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Patchy Fog

  • Friday

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

    High: 62 °F

    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 62.

    High: 62 °F

    Areas Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 42.

    Low: 42 °F

    Patchy Fog
    then Slight
    Chance Rain
    and Patchy
    Fog

Detailed Forecast

Overnight
A 50 percent chance of rain. Mostly cloudy, with a low around 45. North northwest wind 3 to 6 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Areas of fog between 8am and 10am. Otherwise, mostly sunny, with a high near 58. Light and variable wind.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 39. Calm wind.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 61. Calm wind.
Thursday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Friday
Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 62.
Friday Night
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 41.
Saturday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 62.
Saturday Night
A slight chance of rain after 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 42.
Sunday
A chance of rain, mainly after 10am. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 59.
Sunday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Monday
Areas of fog. Otherwise, mostly sunny, with a high near 60.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40.
Tuesday
Patchy fog. Otherwise, sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Sonoma CA
 38.31°N 122.46°W (Elev. 571 ft)
Last Update:
12:26 am PST Jan 28, 2026
Forecast Valid:
2am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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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