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Weather in Petaluma, California, USA

Now
44 °F

Fog.


Feels Like: 40 °F
Forecast: 60 / 43 °F
Wind: 7 mph from East

Location: Napa County Airport
Current Time: Jan 21, 2026 at 5:24:06 am
Latest Report: Jan 21, 2026 at 4:54 am
Visibility: 5 mi
Pressure: 30.07 "Hg
Humidity: 96%
Dew Point: 43 °F
Location of PetalumaLocation

Upcoming 5 hours

Now6:00 am7:00 am8:00 am9:00 am10:00 am
44 °F44 °F44 °F44 °F47 °F50 °F

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Forecast for the next 48 hours

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 WednesdayThursday
 NightMorningAfternoonEveningNightMorningAfternoon
Forecast
Temperature44 °F47 °F59 °F50 °F48 °F48 °F59 °F
Overcast.Overcast.Overcast.Overcast.Overcast.Overcast.Mostly cloudy.
Feels Like44 °F47 °F59 °F50 °F48 °F48 °F59 °F
Wind Speed2 mph2 mph2 mph1 mph2 mph3 mph4 mph
Wind DirectionE
ESE
SSE
ENE
WSW
WNW
WSW
Humidity95%89%69%92%96%93%72%
Dew Point43 °F44 °F49 °F48 °F47 °F46 °F50 °F
Visibility7 mi5 mi6 mi7 mi7 mi6 mi7 mi
Probability of Precipitation0%0%0%0%0%0%0%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Tuesday, January 20, 2026 11:42:40 pm Petaluma time - Weather by CustomWeather, © 2026

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Fog. 50 / 41 °F
Humidity: 96%. Wind: 11 mph from East

More weather last week

Currently at nearby stations

42 °F

Santa Rosa Sonoma County Airport: (21 mi)

Fog.

44 °F

Buchanan Field: (36 mi)

Fog.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
18
19
20

View historic weather

5
6
7

Detailed forecast for 14 days