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Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Partly Cloudy

50°F

10°C

Humidity 96%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 09 Feb 12:54 AM PST
Extended Forecast for

Sonoma CA

  • Overnight

    Overnight: Areas of fog. Otherwise, mostly cloudy, with a low around 45. Light northwest wind.

    Low: 45 °F

    Areas Fog

  • Monday

    Monday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 63. North northeast wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 63 °F

    Patchy Fog
    then Cloudy

  • Monday Night

    Monday Night: A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 4pm. High near 56. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 56 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Areas of fog. Low around 44. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 44 °F

    Showers and
    Areas Fog

  • Wednesday

    Wednesday: Rain likely, mainly before 4pm. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain Likely
    and Areas Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly before 10pm. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: A slight chance of rain before 10am. Areas of fog before 11am. Otherwise, partly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain and
    Areas Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 38.

    Low: 38 °F

    Patchy Fog

Detailed Forecast

Overnight
Areas of fog. Otherwise, mostly cloudy, with a low around 45. Light northwest wind.
Monday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 63. North northeast wind 5 to 9 mph, with gusts as high as 18 mph.
Monday Night
A 10 percent chance of rain after 4am. Mostly cloudy, with a low around 42. Calm wind.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 4pm. High near 56. Calm wind becoming east southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 10pm, then rain likely after 10pm. Areas of fog. Low around 44. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Rain likely, mainly before 4pm. Areas of fog before 2pm. Otherwise, mostly cloudy, with a high near 55. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 40 percent chance of rain, mainly before 10pm. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 39.
Thursday
A slight chance of rain before 10am. Areas of fog before 11am. Otherwise, partly sunny, with a high near 59.
Thursday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 38.
Friday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 60.
Friday Night
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Saturday
A chance of rain. Areas of fog. Otherwise, cloudy, with a high near 55.
Saturday Night
Rain likely. Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Sunday
Rain likely. Areas of fog. Otherwise, mostly cloudy, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Sonoma CA
 38.29°N 122.46°W (Elev. 72 ft)
Last Update:
12:53 am PST Feb 9, 2026
Forecast Valid:
1am PST Feb 9, 2026-6pm PST Feb 15, 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