Home   Weather   USA   Petaluma
Flag for USA

Weather in Petaluma, California, USA

Now
43 °F

Fog.


Feels Like: 38 °F
Forecast: 60 / 43 °F
Wind: 8 mph from Southeast

Location: Napa County Airport
Current Time: Jan 21, 2026 at 8:26:17 am
Latest Report: Jan 21, 2026 at 8:05 am
Visibility: 2 mi
Pressure: 30.11 "Hg
Humidity: 97%
Dew Point: 42 °F
Location of PetalumaLocation

Upcoming 5 hours

Now9:00 am10:00 am11:00 am12:00 pm1:00 pm
43 °F47 °F50 °F53 °F56 °F58 °F

See more hour-by-hour weather

Forecast for the next 48 hours

Scroll right to see more
 WednesdayThursday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature47 °F58 °F50 °F47 °F49 °F60 °F47 °F
Overcast.Overcast.Overcast.Overcast.Overcast.Mostly cloudy.Partly cloudy.
Feels Like47 °F58 °F50 °F47 °F49 °F60 °F47 °F
Wind Speed2 mph1 mph1 mph3 mph1 mph4 mph2 mph
Wind DirectionSE
S
NW
NW
WNW
SW
SW
Humidity89%69%90%96%93%71%95%
Dew Point44 °F48 °F47 °F46 °F47 °F50 °F45 °F
Visibility6 mi7 mi6 mi6 mi6 mi7 mi5 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 Wednesday, January 21, 2026 5:42:43 am 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

41 °F

Santa Rosa Sonoma County Airport: (21 mi)

Fog.

43 °F

Buchanan Field: (36 mi)

Fog.

More weather in USA

Forecast for the next 2 weeks

Scroll right to see more
SunMonTueWedThuFriSat
18
19
20

View historic weather

5
6
7

Detailed forecast for 14 days