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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 38.23°N 122.65°W (Text-Only)
NWS Forecast for: Petaluma CA
Issued by: National Weather Service San Francisco Bay Area/Monterey, CA
Last Update: 1:26 pm PDT Jun 29, 2026		Print

  • Tonight

    Tonight: Mostly clear, with a low around 52. West wind around 5 mph becoming calm after midnight.

    Low: 52 °F

    Mostly Clear


  • Tuesday

    Tuesday: Sunny, with a high near 82. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny


  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 51. West southwest wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 79 °F

    Becoming
    Sunny

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 50. West southwest wind 5 to 8 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy


  • Thursday

    Thursday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny


  • Thursday
    Night

    Thursday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Friday
    Night

    Friday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

    • Tonight: Mostly clear, with a low around 52. West wind around 5 mph becoming calm after midnight.

    Tuesday: Sunny, with a high near 82. Calm wind becoming west southwest 5 to 8 mph in the afternoon.

    Tuesday Night: Increasing clouds, with a low around 51. West southwest wind around 6 mph becoming calm in the evening.

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    Wednesday Night: Partly cloudy, with a low around 50. West southwest wind 5 to 8 mph becoming calm in the evening.

    Thursday: Mostly sunny, with a high near 76.

    Thursday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 51.

    Friday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 81.

    Friday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 53.

    Independence Day: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 81.

    Saturday Night: Patchy fog. Otherwise, partly cloudy, with a low around 53.

    Sunday: Patchy fog. Otherwise, mostly sunny, with a high near 78.

    Sunday Night: Patchy fog. Otherwise, partly cloudy, with a low around 53.

    Monday: Mostly sunny, with a high near 77.


    Petaluma CA
     38.23°N 122.65°W (Elev. 98 ft)

    Visit your local NWS office at: https://www.weather.gov/mtr