Petaluma Center, CA Weather & Growing Conditions
Today
66°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny. High near 66, with temperatures falling to around 60 in the afternoon. North northwest wind 2 to 14 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Patchy Fog then Sunny | 2 to 14 mph NNW | 2% |
| Tonight | 45°F | Mostly Cloudy | 3 to 12 mph WNW | 2% |
| Thursday | 71°F | Patchy Fog then Mostly Sunny | 1 to 6 mph NW | 0% |
| Thursday Night | 42°F | Patchy Fog | 0 to 6 mph NW | 0% |
| Friday | 71°F | Patchy Fog then Mostly Sunny | 0 to 6 mph N | 0% |
| Friday Night | 44°F | Mostly Clear | 0 to 6 mph NNE | 0% |
| Saturday | 74°F | Sunny | 1 to 6 mph ESE | 0% |
| Saturday Night | 45°F | Partly Cloudy then Patchy Fog | 2 to 6 mph NW | 0% |
| Sunday | 72°F | Patchy Fog then Mostly Sunny | 1 to 7 mph NW | 0% |
| Sunday Night | 46°F | Mostly Cloudy then Patchy Fog | 2 to 7 mph WNW | 0% |
| Monday | 70°F | Patchy Fog then Partly Sunny | 1 to 8 mph WNW | 2% |
| Monday Night | 45°F | Partly Cloudy then Patchy Fog | 1 to 8 mph NW | 2% |
| Tuesday | 71°F | Areas Of Fog then Sunny | 1 to 7 mph NW | 9% |
| Tuesday Night | 48°F | Slight Chance Light Rain | 2 to 7 mph SSW | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Petaluma Center, CA
Last spring frost
Feb 28
First fall frost
Nov 25
Growing season
271 days
Hardiness zone
9b
Explore more for Petaluma Center, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Petaluma Ap, Ca (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.