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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

77°F

25°C

Humidity 44%
Wind Speed NNW 4 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Jul 06:35 PM PDT
Extended Forecast for

Petaluma CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. West wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, then gradually becoming sunny, with a high near 79. West wind 5 to 13 mph, with gusts as high as 23 mph.

    High: 79 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 53. West wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 82 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. West wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 86.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Otherwise, mostly clear, with a low around 54.

    Low: 54 °F

    Clear then
    Patchy Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 54. West wind 6 to 13 mph, with gusts as high as 23 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 79. West wind 5 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Increasing clouds, with a low around 53. West wind 6 to 11 mph, with gusts as high as 23 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 55. West wind 8 to 13 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 86.
Wednesday Night
Patchy fog after 3am. Otherwise, mostly clear, with a low around 54.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 84.
Thursday Night
Patchy fog. Otherwise, mostly clear, with a low around 54.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 88.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.22°N 122.61°W (Elev. 197 ft)
Last Update:
1:25 pm PDT Jul 25, 2026
Forecast Valid:
6pm PDT Jul 25, 2026-6pm PDT Aug 1, 2026
 
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