Heavy Rainfall Threat for Mid-Atlantic into Southern New England; Fire Weather Hazards for the West

Heavy rain and isolated severe thunderstorms may cause flash flooding in the northern Mid-Atlantic today. The Mid-Atlantic and Southeast heatwave is slowly easing, while cooler, drier air spreads across the Central and Eastern U.S. for the start of August. Critical fire conditions persist in the Pacific Northwest and Four Corners due to dry storms and gusty winds. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Overcast

59°F

15°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 31 Jul 06:35 AM PDT
Extended Forecast for

Petaluma CA

  • Today

    Today: Patchy fog between 7am and 9am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 2am.  Otherwise, increasing clouds, with a low around 55. West southwest wind around 6 mph becoming calm  in the evening.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 9am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming west southwest 5 to 9 mph in the afternoon.

    High: 81 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Patchy fog between 7am and 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 55. West southwest wind around 6 mph becoming calm in the evening.
Friday
Areas of fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming west southwest 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. West southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 82. Calm wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 55.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.23°N 122.65°W (Elev. 98 ft)
5:19 am PDT Jul 31, 2025
6am PDT Jul 31, 2025-6pm PDT Aug 6, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database