Harman US

Forestville, CA Weather & Growing Conditions

Overnight
53°F
Haze
Haze before 5am, then haze and patchy fog. Mostly clear, with a low around 53. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 53°F Haze 0 mph 0%
Tuesday 94°F Haze then Sunny 0 to 6 mph S 0%
Tuesday Night 52°F Areas Of Fog 0 to 3 mph W 1%
Wednesday 87°F Areas Of Fog then Mostly Sunny 0 to 6 mph SW 0%
Wednesday Night 52°F Areas Of Fog 0 to 5 mph WSW 0%
Thursday 84°F Areas Of Fog then Mostly Sunny 0 to 6 mph SW 0%
Thursday Night 52°F Partly Cloudy then Patchy Fog 0 to 6 mph SW 0%
Friday 92°F Sunny 0 to 6 mph WSW 0%
Friday Night 54°F Mostly Clear 0 to 6 mph WNW 0%
Saturday 92°F Mostly Sunny 0 to 6 mph SW 0%
Saturday Night 57°F Mostly Clear 0 to 6 mph W 0%
Sunday 92°F Sunny 0 to 7 mph WSW 0%
Sunday Night 54°F Mostly Clear then Areas Of Fog 0 to 7 mph W 0%
Monday 84°F Patchy Fog then Sunny 0 to 6 mph SSW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Forestville, CA

Last spring frost
Mar 20
First fall frost
Nov 13
Growing season
240 days
Hardiness zone
9b

Explore more for Forestville, CA: full frost dates · planting calendar · California frost dates

Climate data from the nearest NOAA station, Graton, Ca (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.