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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Overcast

46°F

8°C

Humidity 93%
Wind Speed SE 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 07 Dec 06:35 PM PST
Extended Forecast for

Novato CA

  • Tonight

    Tonight: Patchy dense fog. Otherwise, increasing clouds, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind.

    High: 48 °F

    Areas Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Fog

  • Tuesday

    Tuesday: Widespread fog, mainly before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light north wind.

    High: 62 °F

    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65.

    High: 65 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 45.

    Low: 45 °F

    Patchy Fog

Detailed Forecast

Tonight
Patchy dense fog. Otherwise, increasing clouds, with a low around 42. Calm wind.
Monday
Areas of dense fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 48. Calm wind.
Monday Night
Widespread fog, mainly after 5am. Otherwise, partly cloudy, with a low around 44. Calm wind.
Tuesday
Widespread fog, mainly before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 62. Light north wind.
Tuesday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 45. Calm wind.
Wednesday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 65.
Wednesday Night
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 46.
Thursday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 65.
Thursday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 45.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 64.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 44.
Saturday
Areas of fog. Otherwise, mostly sunny, with a high near 64.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 45.
Sunday
Areas of fog. Otherwise, partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Novato CA
 38.11°N 122.56°W (Elev. 141 ft)
Last Update:
6:20 pm PST Dec 7, 2025
Forecast Valid:
7pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation