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

Heavy Mountain Snow in the Northwest U.S.; Wintry Mix in the Northeast U.S.

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. overnight into Wednesday. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Partly Cloudy

50°F

10°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 06 Jan 08:55 PM PST
Extended Forecast for

Petaluma CA

  • Tonight

    Tonight: Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 56. West northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39. West northwest wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. North northwest wind around 8 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. North wind 3 to 6 mph.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 53.

    High: 53 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Patchy frost after 1am. Otherwise, mostly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 54.

    High: 54 °F

    Areas Frost
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog between 11pm and 1am. Otherwise, mostly cloudy, with a low around 38.

    Low: 38 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy fog between 11pm and 2am. Otherwise, mostly cloudy, with a low around 44. Calm wind.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 56. West northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Partly cloudy, with a low around 39. West northwest wind 8 to 10 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 52. North northwest wind around 8 mph.
Thursday Night
Areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. North wind 3 to 6 mph.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 53.
Friday Night
Patchy frost after 1am. Otherwise, mostly cloudy, with a low around 35.
Saturday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 54.
Saturday Night
Patchy fog between 11pm and 1am. Otherwise, mostly cloudy, with a low around 38.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 38.
Monday
Patchy fog. Otherwise, sunny, with a high near 58.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.26°N 122.65°W (Elev. 89 ft)
Last Update:
12:26 pm PST Jan 6, 2026
Forecast Valid:
9pm PST Jan 6, 2026-6pm PST Jan 13, 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