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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

KF6YUA Sebastopol (AR323)

Lat: 38.38033°NLon: 122.82367°WElev: 235.3ft.

NA

51°F

11°C

Humidity 98%
Wind Speed ESE 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 50°F (10°C)
Visibility NA
Last update 18 Sep 04:26 AM PDT
Extended Forecast for

Santa Rosa CA

  • Today

    Today: Areas of fog before 10am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. Light south wind.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 80 °F

    Areas Fog
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52.

    Low: 52 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80.

    High: 80 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 52.

    Low: 52 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 83.

    High: 83 °F

    Areas Fog
    then Sunny

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, sunny, with a high near 82. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
Patchy fog after 5am. Otherwise, mostly clear, with a low around 53. Light south wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53. Southwest wind around 6 mph becoming calm in the evening.
Sunday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 80. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 52.
Monday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 80.
Monday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 52.
Tuesday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Santa Rosa CA
 38.43°N 122.7°W (Elev. 184 ft)
Last Update:
1:26 am PDT Sep 18, 2026
Forecast Valid:
4am PDT Sep 18, 2026-6pm PDT Sep 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation