Petaluma Center, CA Weather & Growing Conditions
Today
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 67 in the afternoon. West wind 1 to 13 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Sunny | 1 to 13 mph W | 0% |
| Tonight | 52°F | Mostly Cloudy | 2 to 12 mph WSW | 0% |
| Sunday | 73°F | Patchy Fog then Partly Sunny | 1 to 10 mph WSW | 0% |
| Sunday Night | 52°F | Mostly Cloudy then Patchy Fog | 1 to 9 mph WSW | 0% |
| Monday | 73°F | Patchy Fog then Mostly Sunny | 1 to 10 mph WSW | 0% |
| Monday Night | 52°F | Mostly Cloudy then Patchy Fog | 1 to 10 mph WSW | 1% |
| Tuesday | 74°F | Areas Of Fog then Mostly Sunny | 1 to 10 mph WSW | 0% |
| Tuesday Night | 52°F | Areas Of Fog | 0 to 10 mph WNW | 0% |
| Wednesday | 82°F | Patchy Fog then Mostly Sunny | 0 to 10 mph NE | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 10 mph WNW | 0% |
| Thursday | 86°F | Mostly Sunny | 0 to 10 mph NNW | 0% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 10 mph W | 0% |
| Friday | 79°F | Mostly Sunny | 2 to 13 mph WSW | 0% |
| Friday Night | 54°F | Partly Cloudy | 3 to 13 mph W | 2% |
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 Sep 19, 2026.