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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.3803°NLon: 122.8242°WElev: 230.0ft.

NA

42°F

6°C

Humidity 99%
Wind Speed ESE 0 MPH
Barometer 30.38 in (1028.79 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 08 Dec 03:08 AM PST
Extended Forecast for

Sebastopol CA

  • Overnight

    Overnight: Widespread fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Fog

  • Monday

    Monday: Widespread fog, mainly before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind.

    High: 62 °F

    Fog

  • Monday Night

    Monday Night: Widespread dense fog, mainly after midnight. Otherwise, increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Dense Fog

  • Tuesday

    Tuesday: Widespread dense fog, mainly before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind.

    High: 63 °F

    Dense Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Fog

  • Wednesday

    Wednesday: Widespread fog, mainly before 10am. Otherwise, mostly sunny, with a high near 67.

    High: 67 °F

    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Widespread fog, mainly after 1am. Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Fog

  • Thursday

    Thursday: Widespread fog, mainly before 9am. Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

Detailed Forecast

Overnight
Widespread fog. Otherwise, mostly cloudy, with a low around 41. Calm wind.
Monday
Widespread fog, mainly before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind.
Monday Night
Widespread dense fog, mainly after midnight. Otherwise, increasing clouds, with a low around 42. Calm wind.
Tuesday
Widespread dense fog, mainly before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind.
Tuesday Night
Widespread fog, mainly after 4am. Otherwise, partly cloudy, with a low around 44. Calm wind.
Wednesday
Widespread fog, mainly before 10am. Otherwise, mostly sunny, with a high near 67.
Wednesday Night
Widespread fog, mainly after 1am. Otherwise, partly cloudy, with a low around 45.
Thursday
Widespread fog, mainly before 9am. Otherwise, mostly sunny, with a high near 68.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Friday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 67.
Friday Night
Areas of fog. Otherwise, partly cloudy, with a low around 43.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 65.
Saturday Night
Widespread fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Widespread fog. Otherwise, partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sebastopol CA
 38.41°N 122.84°W (Elev. 174 ft)
Last Update:
2:09 am PST Dec 8, 2025
Forecast Valid:
3am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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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