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Geyserville, CA Weather & Growing Conditions

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

This Afternoon
86°F
Sunny
Sunny, with a high near 86. West northwest wind around 7 mph.

7-day forecast for Geyserville

WhenTempForecastWindPrecip
This Afternoon 86°F Sunny 7 mph WNW 0%
Tonight 56°F Mostly Clear 2 to 7 mph NNW 0%
Saturday 90°F Sunny 1 to 6 mph S 0%
Saturday Night 56°F Mostly Cloudy 1 to 5 mph NW 0%
Sunday 85°F Partly Sunny 1 to 5 mph SSW 0%
Sunday Night 53°F Mostly Cloudy 0 to 5 mph W 0%
Monday 87°F Areas Of Fog then Mostly Sunny 0 to 6 mph SW 0%
Monday Night 55°F Mostly Clear 0 to 6 mph W 0%
Tuesday 89°F Patchy Fog then Sunny 0 to 5 mph WNW 0%
Tuesday Night 56°F Mostly Clear 1 to 5 mph NNW 0%
Wednesday 94°F Sunny 1 to 5 mph S 0%
Wednesday Night 60°F Mostly Clear 0 to 5 mph NW 0%
Thursday 94°F Sunny 0 to 6 mph S 0%
Thursday Night 58°F Partly Cloudy 1 to 6 mph WNW 0%

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
9b

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

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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.