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

Significant Coastal Impacts to the Mid-Atlantic and Northeast; Tropical Storm Nolo to Impact Hawaii

A strong coastal storm will bring moderate to major coastal flooding, strong winds, heavy rainfall and high surf to the Mid-Atlantic and New England. Tropical Storm Nolo is expected to strengthen into a hurricane today as it moves north toward the Big Island of Hawaii. Heavy rainfall may produce life-threatening, catastrophic flooding and mudslides. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

90°F

32°C

Humidity 29%
Wind Speed SE 6 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 24 Sep 01:35 PM PDT
Extended Forecast for

Petaluma CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 85. West wind 6 to 8 mph.

    High: 85 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. West wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 58 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 79. West northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, increasing clouds, with a low around 50. West wind 5 to 7 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 78. Light and variable wind.

    High: 78 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 49.

    Low: 49 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 85. West wind 6 to 8 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. West wind 5 to 8 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 79. West northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Friday Night
Patchy fog after 5am. Otherwise, increasing clouds, with a low around 50. West wind 5 to 7 mph becoming calm in the evening.
Saturday
Patchy fog between 7am and 9am. Otherwise, partly sunny, with a high near 78. Light and variable wind.
Saturday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 50.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73.
Sunday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 49.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 88.
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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:
1:57 pm PDT Sep 24, 2026
Forecast Valid:
2pm PDT Sep 24, 2026-6pm PDT Sep 30, 2026
 
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Additional Resources

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Chance of Precipitation