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

Novato / Gnoss Field (KDVO)

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

Overcast

57°F

14°C

Humidity 82%
Wind Speed SW 9 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Oct 10:35 PM PDT
Extended Forecast for

Petaluma CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. West wind 5 to 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Light west northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Patchy fog after midnight. Otherwise, cloudy, with a low around 43. West wind around 6 mph becoming calm in the evening.

    Low: 43 °F

    Cloudy then
    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 11am. Otherwise, cloudy, with a high near 69. Calm wind.

    High: 69 °F

    Areas Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 46. Calm wind. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A 50 percent chance of showers. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 70. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers before 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. West wind 5 to 7 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 67. Light west northwest wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Patchy fog after midnight. Otherwise, cloudy, with a low around 43. West wind around 6 mph becoming calm in the evening.
Tuesday
Areas of fog before 11am. Otherwise, cloudy, with a high near 69. Calm wind.
Tuesday Night
A 40 percent chance of showers after 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 46. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of showers. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 70. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 30 percent chance of showers. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 46.
Thursday
A chance of showers before 11am. Patchy fog before 11am. Otherwise, partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 73.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 40.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 73.
Saturday Night
A slight chance of showers. Patchy fog. Otherwise, partly cloudy, with a low around 42.
Sunday
A slight chance of showers. Patchy fog. Otherwise, mostly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.24°N 122.62°W (Elev. 39 ft)
Last Update:
9:57 pm PDT Oct 18, 2026
Forecast Valid:
10pm PDT Oct 18, 2026-6pm PDT Oct 25, 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