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

KF6YUA Sebastopol (AR323)

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

NA

41°F

5°C

Humidity 99%
Wind Speed S 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 27 Jan 01:55 AM PST
Extended Forecast for

3 Miles S Cotati CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Light east southeast wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 4pm. High near 56. Southeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Patchy fog after 4am. Low around 46. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain then
    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 59. Light north northwest wind.

    High: 59 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

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

    Low: 40 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

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

    Low: 43 °F

    Patchy Fog

  • Friday

    Friday: Mostly cloudy, with a high near 63.

    High: 63 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Patchy fog. Otherwise, cloudy, with a low around 43.

    Low: 43 °F

    Patchy Fog

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Light east southeast wind.
Tuesday
Rain, mainly after 4pm. High near 56. Southeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain, mainly before 10pm. Patchy fog after 4am. Low around 46. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain before 10am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 59. Light north northwest wind.
Wednesday Night
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 40. Calm wind.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 62.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Friday
Mostly cloudy, with a high near 63.
Friday Night
Patchy fog. Otherwise, cloudy, with a low around 43.
Saturday
Mostly cloudy, with a high near 63.
Saturday Night
A slight chance of rain. Patchy fog. Otherwise, cloudy, with a low around 44.
Sunday
A chance of rain. Mostly cloudy, with a high near 62.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 44.
Monday
Patchy fog. Otherwise, mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Cotati CA
 38.29°N 122.69°W (Elev. 226 ft)
Last Update:
12:26 am PST Jan 27, 2026
Forecast Valid:
2am PST Jan 27, 2026-6pm PST Feb 2, 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