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

Widespread Rain from Texas to the Central Appalachians; Heavy to Excessive Rainfall in Southern California and the Southwest

Scattered thunderstorms and widespread showers are expected from the Texas coast to the central Appalachians today. Heavy to excessive rainfall will continue in southern California into the Desert Southwest through Saturday. Heavy rain will pose a risk of flash flooding, especially across burn scar and urbanized regions. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Clear

50°F

10°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 21 Nov 06:55 PM PST
Extended Forecast for

Petaluma CA

  • Tonight

    Tonight: Patchy fog between 3am and 4am. Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.

    High: 66 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind.

    High: 62 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog between 3am and 4am. Otherwise, mostly clear, with a low around 42. Calm wind.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 66. Light and variable wind.
Saturday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 43. Calm wind.
Sunday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 62. Calm wind.
Sunday Night
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 43. Calm wind.
Monday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 64.
Monday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 41.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Thanksgiving Day
Patchy fog. Otherwise, mostly sunny, with a high near 66.
Thursday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 46.
Friday
A slight chance of rain. Mostly cloudy, with a high near 63.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Petaluma CA
 38.23°N 122.65°W (Elev. 98 ft)
Last Update:
12:33 pm PST Nov 21, 2025
Forecast Valid:
7pm PST Nov 21, 2025-6pm PST Nov 28, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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