Geyserville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Geyserville, a community in Sonoma County, California.
Overnight
45°F
Patchy Fog
Patchy fog after 3am. Mostly clear, with a low around 45. East wind around 2 mph.
7-day forecast for Geyserville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Patchy Fog | 2 mph E | 0% |
| Wednesday | 68°F | Patchy Fog then Sunny | 2 to 7 mph NW | 2% |
| Wednesday Night | 46°F | Mostly Cloudy | 3 to 8 mph NW | 2% |
| Thursday | 74°F | Sunny | 0 to 3 mph WNW | 0% |
| Thursday Night | 46°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Friday | 76°F | Sunny | 2 mph NNW | 0% |
| Friday Night | 48°F | Mostly Clear | 2 mph N | 0% |
| Saturday | 78°F | Sunny | 2 mph SE | 0% |
| Saturday Night | 47°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 76°F | Mostly Sunny | 2 mph NW | 0% |
| Sunday Night | 48°F | Partly Cloudy | 2 mph NW | 0% |
| Monday | 72°F | Mostly Sunny | 2 mph NW | 2% |
| Monday Night | 48°F | Partly Cloudy | 3 mph NNW | 3% |
| Tuesday | 73°F | Sunny then Slight Chance Light Rain | 3 mph WNW | 15% |
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 Nov 4, 2026.