Rohnert Park, CA Weather & Growing Conditions
Overnight
52°F
Patchy Fog
Patchy fog after 5am. Partly cloudy, with a low around 52. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Patchy Fog | 0 mph | 0% |
| Tuesday | 88°F | Patchy Fog then Sunny | 0 to 8 mph WSW | 0% |
| Tuesday Night | 51°F | Areas Of Fog | 0 to 5 mph W | 0% |
| Wednesday | 85°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph W | 0% |
| Wednesday Night | 51°F | Areas Of Fog | 0 to 6 mph WSW | 0% |
| Thursday | 82°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph W | 0% |
| Thursday Night | 51°F | Patchy Fog | 0 to 7 mph NW | 0% |
| Friday | 89°F | Patchy Fog then Mostly Sunny | 0 to 7 mph W | 0% |
| Friday Night | 53°F | Partly Cloudy | 0 to 7 mph SW | 0% |
| Saturday | 88°F | Sunny | 0 to 7 mph WSW | 0% |
| Saturday Night | 55°F | Mostly Clear | 0 to 7 mph SW | 0% |
| Sunday | 87°F | Patchy Fog then Sunny | 0 to 7 mph SW | 0% |
| Sunday Night | 53°F | Mostly Clear then Areas Of Fog | 0 to 7 mph SW | 0% |
| Monday | 80°F | Areas Of Fog then Sunny | 0 to 8 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rohnert Park, CA
Last spring frost
Feb 28
First fall frost
Nov 25
Growing season
271 days
Hardiness zone
9a
Explore more for Rohnert Park, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Petaluma Ap, Ca (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.