Glen Ellen, CA Weather & Growing Conditions

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

Tonight

53°F

Mostly Clear

Mostly clear. Low around 53, with temperatures rising to around 55 overnight. West northwest wind around 2 mph.

7-day forecast for Glen Ellen

When	Temp	Forecast	Wind	Precip
Tonight	53°F	Mostly Clear	2 mph WNW	0%
Saturday	90°F	Sunny	2 mph SW	0%
Saturday Night	53°F	Partly Cloudy	2 mph SW	0%
Sunday	83°F	Partly Sunny	1 mph SSW	0%
Sunday Night	52°F	Mostly Cloudy	1 mph SSW	0%
Monday	85°F	Areas Of Fog then Mostly Sunny	0 to 5 mph SW	0%
Monday Night	52°F	Mostly Clear	0 to 5 mph SW	0%
Tuesday	88°F	Patchy Fog then Sunny	2 mph SW	0%
Tuesday Night	54°F	Mostly Clear	2 mph WSW	0%
Wednesday	96°F	Sunny	2 mph NNW	0%
Wednesday Night	59°F	Mostly Clear	2 mph WNW	0%
Thursday	96°F	Sunny	0 to 3 mph WSW	0%
Thursday Night	58°F	Partly Cloudy	0 to 3 mph WNW	0%
Friday	91°F	Mostly Sunny	1 to 5 mph W	0%

Forecast source: National Weather Service (api.weather.gov) for Glen Ellen (38.355, -122.543). Updated through the day.

Growing snapshot for Glen Ellen

Last spring frost

Mar 2

First fall frost

Nov 27

Growing season

270 days

Hardiness zone

More local growing data for Glen Ellen: nearby ZIP 95431 weather · frost dates · planting calendar · California frost dates

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Climate data from the nearest NOAA station, Sonoma, Ca (4.5 mi from Glen Ellen). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.