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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Rain

55°F

13°C

Humidity 100%
Wind Speed W 5 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 2.50 mi
Last update 20 Apr 04:55 PM PDT
Extended Forecast for

Petaluma CA

  • This Afternoon

    This Afternoon: Rain. Steady temperature around 58. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Rain

  • Tonight

    Tonight: Rain. Patchy fog between 11pm and 2am. Low around 49. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Rain Likely
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Rain likely and possibly a thunderstorm, then showers and possibly a thunderstorm after 10am. High near 61. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain Likely

  • Wednesday

    Wednesday: A 30 percent chance of rain before 11am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 65 °F

    Chance Rain
    and Patchy
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 70.

    High: 70 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 71.

    High: 71 °F

    Patchy Fog
    then Sunny

Detailed Forecast

This Afternoon
Rain. Steady temperature around 58. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Patchy fog between 11pm and 2am. Low around 49. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely and possibly a thunderstorm, then showers and possibly a thunderstorm after 10am. High near 61. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 44. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain before 11am. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 65. Calm wind becoming west 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Patchy fog between 8am and 9am. Otherwise, sunny, with a high near 70.
Thursday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 44.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 71.
Friday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 46.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 67.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 48.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 66.
Sunday Night
Patchy fog. Otherwise, partly cloudy, with a low around 46.
Monday
Patchy fog. Otherwise, partly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.23°N 122.65°W (Elev. 98 ft)
Last Update:
1:26 pm PDT Apr 20, 2026
Forecast Valid:
5pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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