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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

WhenTempForecastWindPrecip
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.