Harman US

Forestville, CA Weather & Growing Conditions

This Afternoon
82°F
Sunny
Sunny. High near 82, with temperatures falling to around 79 in the afternoon. West southwest wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 82°F Sunny 7 mph WSW 0%
Tonight 53°F Mostly Clear then Patchy Fog 0 to 6 mph WNW 0%
Saturday 85°F Areas Of Fog then Sunny 0 to 6 mph SW 0%
Saturday Night 54°F Mostly Cloudy then Patchy Fog 0 to 3 mph WNW 0%
Sunday 80°F Areas Of Fog then Partly Sunny 0 to 5 mph SW 0%
Sunday Night 53°F Areas Of Fog 0 to 5 mph WNW 0%
Monday 81°F Areas Of Fog then Mostly Sunny 0 to 5 mph SW 0%
Monday Night 53°F Areas Of Fog 0 to 5 mph SW 0%
Tuesday 83°F Areas Of Fog then Sunny 0 to 5 mph WSW 0%
Tuesday Night 54°F Mostly Clear 0 to 5 mph WNW 0%
Wednesday 90°F Patchy Fog then Sunny 0 to 5 mph W 0%
Wednesday Night 57°F Mostly Clear 0 to 5 mph WNW 0%
Thursday 91°F Sunny 0 to 5 mph W 0%
Thursday Night 57°F Partly Cloudy 0 to 5 mph WNW 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 Sep 19, 2026.