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

Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Novato / Gnoss Field (KDVO)

Lat: 38.14178°NLon: 122.55463°WElev: 3.0ft.

Clear

41°F

5°C

Humidity 93%
Wind Speed S 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Wind Chill38°F (3°C)
Last update 04 Dec 04:35 AM PST
Extended Forecast for

Petaluma CA

Coastal Flood Advisory December 4, 05:11am until December 7, 03:00pm
Cold Weather Advisory December 4, 05:11am until December 4, 08:00am
Click here for hazard details and duration
Coastal Flood Advisory
...
  •  
    Coastal Flood Advisory December 4, 05:11am until December 7, 03:00pm
    Cold Weather Advisory December 4, 05:11am until December 4, 08:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West southwest wind 3 to 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming west around 5 mph in the afternoon.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. West wind around 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Areas of fog between 10am and 11am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

Detailed Forecast

Today
Sunny, with a high near 60. East southeast wind 5 to 9 mph becoming light southeast in the afternoon.
Tonight
Partly cloudy, with a low around 40. West southwest wind 3 to 5 mph.
Friday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 63. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45. West wind around 5 mph.
Saturday
Areas of fog between 10am and 11am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 44.
Sunday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 64.
Sunday Night
Patchy fog before 10pm, then patchy fog after 1am. Otherwise, mostly cloudy, with a low around 44.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 65.
Monday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 65.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.23°N 122.65°W (Elev. 98 ft)
Last Update:
2:09 am PST Dec 4, 2025
Forecast Valid:
5am PST Dec 4, 2025-6pm PST Dec 10, 2025
 
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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