Geyserville, CA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Geyserville, a community in Sonoma County, California.

Overnight

56°F

Partly Cloudy

Partly cloudy, with a low around 56. West northwest wind around 2 mph.

7-day forecast for Geyserville

When	Temp	Forecast	Wind	Precip
Overnight	56°F	Partly Cloudy	2 mph WNW	0%
Saturday	90°F	Sunny	1 to 6 mph S	0%
Saturday Night	55°F	Mostly Cloudy	1 to 6 mph NE	0%
Sunday	84°F	Mostly Cloudy	1 to 5 mph SSE	0%
Sunday Night	53°F	Mostly Cloudy	0 to 3 mph SW	0%
Monday	86°F	Areas Of Fog then Sunny	0 to 6 mph SSW	0%
Monday Night	53°F	Partly Cloudy	0 to 6 mph W	0%
Tuesday	88°F	Patchy Fog then Sunny	0 to 5 mph SSW	0%
Tuesday Night	55°F	Mostly Clear	1 to 5 mph NW	0%
Wednesday	93°F	Sunny	1 to 5 mph SSW	0%
Wednesday Night	59°F	Mostly Clear	1 to 5 mph NW	0%
Thursday	93°F	Sunny	1 to 6 mph WSW	0%
Thursday Night	56°F	Partly Cloudy	1 to 6 mph WNW	1%
Friday	87°F	Mostly Sunny	1 to 6 mph WNW	1%

Forecast source: National Weather Service (api.weather.gov) for Geyserville (38.717, -122.903). Updated through the day.

Growing snapshot for Geyserville

Last spring frost

Feb 15

First fall frost

Dec 2

Growing season

292 days

Hardiness zone

More local growing data for Geyserville: nearby ZIP 95448 weather · frost dates · planting calendar · California frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Healdsburg, Ca (1.3 mi from Geyserville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.