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Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

Napa, Napa County Airport (KAPC)

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

Clear

52°F

11°C

Humidity 81%
Wind Speed SE 4 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 13 Jan 06:20 PM PST
Extended Forecast for

Sonoma CA

  • Tonight

    Tonight: Patchy dense fog after 3am. Otherwise, mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Wednesday

    Wednesday: Patchy dense fog before 10am. Otherwise, sunny, with a high near 62. Calm wind becoming south southeast around 5 mph.

    High: 62 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy dense fog after 2am. Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Thursday

    Thursday: Patchy dense fog before 7am. Otherwise, sunny, with a high near 64. Calm wind becoming east northeast around 6 mph in the morning.

    High: 64 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy dense fog between 11pm and midnight. Otherwise, mostly clear, with a low around 42.

    Low: 42 °F

    Patchy Dense
    Fog then
    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after 3am. Otherwise, mostly clear, with a low around 39. Calm wind.
Wednesday
Patchy dense fog before 10am. Otherwise, sunny, with a high near 62. Calm wind becoming south southeast around 5 mph.
Wednesday Night
Patchy dense fog after 2am. Otherwise, mostly clear, with a low around 40. Calm wind.
Thursday
Patchy dense fog before 7am. Otherwise, sunny, with a high near 64. Calm wind becoming east northeast around 6 mph in the morning.
Thursday Night
Mostly clear, with a low around 41. Calm wind.
Friday
Sunny, with a high near 64.
Friday Night
Mostly clear, with a low around 41.
Saturday
Sunny, with a high near 63.
Saturday Night
Patchy dense fog between 11pm and midnight. Otherwise, mostly clear, with a low around 42.
Sunday
Patchy dense fog before 8am. Otherwise, mostly sunny, with a high near 63.
Sunday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 41.
M.L.King Day
Patchy dense fog. Otherwise, mostly sunny, with a high near 62.
Monday Night
Patchy dense fog. Otherwise, partly cloudy, with a low around 41.
Tuesday
Areas of dense fog. Otherwise, partly 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:
6:08 pm PST Jan 13, 2026
Forecast Valid:
6pm PST Jan 13, 2026-6pm PST Jan 20, 2026
 
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Additional Resources

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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