Forestville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Forestville, a community in Sonoma County, California.
This Afternoon
83°F
Sunny
Sunny. High near 83, with temperatures falling to around 80 in the afternoon. West southwest wind around 7 mph.
7-day forecast for Forestville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Sunny | 7 mph WSW | 0% |
| Tonight | 52°F | Mostly Clear then Areas Of Fog | 0 to 6 mph WSW | 0% |
| Saturday | 86°F | Areas Of Fog then Sunny | 0 to 6 mph S | 0% |
| Saturday Night | 53°F | Mostly Cloudy then Areas Of Fog | 0 to 3 mph WSW | 0% |
| Sunday | 80°F | Areas Of Fog then Partly Sunny | 0 to 3 mph SW | 0% |
| Sunday Night | 52°F | Areas Of Fog | 0 to 3 mph SSW | 0% |
| Monday | 82°F | Areas Of Fog then Mostly Sunny | 0 to 6 mph SW | 0% |
| Monday Night | 51°F | Areas Of Fog | 0 to 6 mph WSW | 0% |
| Tuesday | 84°F | Areas Of Fog then Sunny | 0 to 5 mph WSW | 0% |
| Tuesday Night | 53°F | Mostly Clear then Patchy Fog | 0 to 5 mph WNW | 0% |
| Wednesday | 91°F | Areas Of Fog then Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Thursday | 92°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Forestville (38.482, -122.890). Updated through the day.
Growing snapshot for Forestville
Last spring frost
Mar 20
First fall frost
Nov 13
Growing season
240 days
Hardiness zone
9b
More local growing data for Forestville: nearby ZIP 95436 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Graton, Ca (4.5 mi from Forestville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.