Petaluma, CA Weather Forecast
Sonoma County, California
Live radar, warnings and storm tracking for Petaluma, with free alerts the moment it counts.
The next few hours
Dry for the moment, with rain moving in this morning
It is 53° with a dew point of 52°, which is comfortable for this time of year. The sky is overcast.
The wind turns to the west-northwest around 1 PM. The first rain arrives between 9 AM and 10 AM, with the best chance of it around 3 PM. That leaves a usable window outdoors until about 9 AM, and it closes quickly after that.
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
A long wet stretch ahead
The wet part of the window runs from about 9 AM to 5 AM, 18 hours of it, with the highest chance near 3 PM. Total accumulation over the window comes to about 0.68 in.
It tapers off after 5 AM. The overnight low settles near 51°. Tomorrow tops out near 61°. The humidity goes with it: tomorrow is the more comfortable half of this window, and the safer one for anything outdoors.
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
39–61°F across the weekThe week runs between 39° and 61°, with tomorrow the warmest day of it. There is no real trend across it: one day looks much like the next. Wednesday is the wettest day, peaking near 98%.
Free alerts for Petaluma
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Petaluma, CA at a glance
Petaluma is home to about 58,800 people in Sonoma County, across 14 square miles. It ranks 153rd by population of 450 places in California with a forecast here. The nearest neighbour with its own forecast is Cotati, 7 miles away.
- County
- Sonoma County
- Population
- 58,800 2023 est.
- Land area
- 14 sq mi
- People per sq mi
- 4,079
- Forecast point
- 38.2423°N, 122.6288°W
How well can the network see Petaluma?
The nearest Doppler radar is KDAX (Sacramento, CA), to the ENE. Its lowest scan passes about 4,000 ft above Petaluma. Close enough to see rotation in the low part of a storm, where tornadoes form.
The closest weather station is KO69 (Petaluma Muni). Close enough that its readings are the conditions in town.
Forecasts near Petaluma
- Cotati, CA7 mi
- Rohnert Park, CA8 mi
- Sonoma, CA10 mi
- Novato, CA12 mi
- Santa Rosa, CA15 mi
- Sebastopol, CA15 mi
- Fairfax, CA18 mi
- Yountville, CA18 mi
Elsewhere in California
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