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Weather in Petaluma, California, USA

Now
12 °C

Fog.


Feels Like: 12 °C
Forecast: 14 / 11 °C
Wind: No wind

Location: Napa County Airport
Current Time: Dec 18, 2025 at 11:45:12 pm
Latest Report: Dec 18, 2025 at 11:24 pm
Visibility: 5 km
Pressure: 101.97 kPa
Humidity: 100%
Dew Point: 12 °C

Upcoming 5 hours

Now 12:00 am 1:00 am 2:00 am 3:00 am 4:00 am
12 °C 12 °C 12 °C 12 °C 12 °C 12 °C

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Forecast for the next 48 hours

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  Thursday Friday Saturday
  Evening Night Morning Afternoon Evening Night Morning
Forecast
Temperature 12 °C 12 °C 13 °C 13 °C 13 °C 12 °C 12 °C
Overcast. Sprin­kles. Overcast. Overcast. Rain. Overcast. Rain. Overcast. Sprin­kles. Overcast. Rain. Overcast.
Feels Like 12 °C 12 °C 12 °C 13 °C 13 °C 12 °C 12 °C
Wind Speed 3 km/h 3 km/h 9 km/h 7 km/h 4 km/h 0 km/h 2 km/h
Wind Direction WSW
SSE
S
SSW
S
- SE
Humidity 92% 95% 92% 91% 95% 96% 95%
Dew Point 10 °C 11 °C 12 °C 12 °C 12 °C 12 °C 11 °C
Visibility 9 km 5 km 8 km 6 km 1 km 1 km 0 km
Probability of Precipitation 0% 21% 0% 26% 61% 26% 64%
Amount of Rain 0.0 mm 0.5 mm 0.0 mm 4.4 mm 2.1 mm 0.7 mm 2.2 mm
Amount of Snow 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm 0.0 mm
* Updated Thursday, December 18, 2025 5:42:36 pm Petaluma time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Fog. 17 / 6 °C
Humidity: 96%. Wind: 11 km/h from South

More weather last week

Currently at nearby stations

12 °C

Santa Rosa Sonoma County Airport: (34 km)

Fog.

12 °C

Buchanan Field: (57 km)

Fog.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
14
15
16
17
18

View historic weather

3

Detailed forecast for 14 days