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

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

Novato / Gnoss Field (KDVO)

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

Partly Cloudy

57°F

14°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 03 Sep 06:55 AM PDT
Extended Forecast for

2 Miles NW Petaluma CA

  • Today

    Today: Patchy fog between 8am and 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming west 5 to 9 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: A slight chance of rain between 11pm and midnight, then a slight chance of drizzle after midnight. Increasing clouds, with a low around 54. West wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 78. Light west wind increasing to 5 to 10 mph in the afternoon.

    High: 78 °F

    Slight Chance
    Drizzle then
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of drizzle after 11pm. Increasing clouds, with a low around 55. West wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 55 °F

    Slight Chance
    Drizzle

  • Friday

    Friday: Mostly sunny, with a high near 76. West wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 76 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 78.

    High: 78 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Patchy fog between 8am and 9am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 83. Calm wind becoming west 5 to 9 mph in the afternoon.
Tonight
A slight chance of rain between 11pm and midnight, then a slight chance of drizzle after midnight. Increasing clouds, with a low around 54. West wind 3 to 7 mph. Chance of precipitation is 20%.
Thursday
A slight chance of drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 78. Light west wind increasing to 5 to 10 mph in the afternoon.
Thursday Night
A slight chance of drizzle after 11pm. Increasing clouds, with a low around 55. West wind 6 to 10 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 76. West wind 6 to 13 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Patchy fog between 8am and 9am. Otherwise, mostly sunny, with a high near 78.
Saturday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 55.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Petaluma CA
 38.26°N 122.65°W (Elev. 89 ft)
Last Update:
1:26 am PDT Sep 3, 2025
Forecast Valid:
7am PDT Sep 3, 2025-6pm PDT Sep 9, 2025
 
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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