Rohnert Park, CA Weather & Growing Conditions
Today
82°F
Sunny
Sunny. High near 82, with temperatures falling to around 75 in the afternoon. Southwest wind 1 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 1 to 8 mph SW | 0% |
| Tonight | 52°F | Mostly Cloudy then Areas Of Fog | 0 to 5 mph SSW | 0% |
| Sunday | 77°F | Areas Of Fog then Mostly Cloudy | 0 to 6 mph S | 0% |
| Sunday Night | 52°F | Areas Of Fog | 0 to 3 mph SSW | 0% |
| Monday | 77°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph SSW | 0% |
| Monday Night | 51°F | Areas Of Fog | 0 to 7 mph SW | 0% |
| Tuesday | 78°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph WSW | 0% |
| Tuesday Night | 52°F | Areas Of Fog | 0 to 7 mph WSW | 0% |
| Wednesday | 85°F | Areas Of Fog then Mostly Sunny | 0 to 6 mph WNW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 6 mph WSW | 0% |
| Thursday | 89°F | Mostly Sunny | 0 to 7 mph W | 0% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 7 mph WSW | 0% |
| Friday | 83°F | Mostly Sunny | 0 to 7 mph WSW | 1% |
| Friday Night | 53°F | Partly Cloudy | 1 to 7 mph WSW | 1% |
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 Sep 19, 2026.