Glen Ellen, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen Ellen, a community in Sonoma County, California.
Today
90°F
Sunny
Sunny. High near 90, with temperatures falling to around 85 in the afternoon. Southwest wind 0 to 5 mph.
7-day forecast for Glen Ellen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 0 to 5 mph SW | 0% |
| Tonight | 53°F | Partly Cloudy | 0 to 3 mph WNW | 0% |
| Sunday | 83°F | Partly Sunny | 1 mph S | 0% |
| Sunday Night | 52°F | Mostly Cloudy | 1 mph WSW | 0% |
| Monday | 84°F | Patchy Fog then Mostly Sunny | 3 mph SW | 0% |
| Monday Night | 51°F | Partly Cloudy | 0 to 3 mph SW | 0% |
| Tuesday | 84°F | Areas Of Fog then Sunny | 2 mph SW | 0% |
| Tuesday Night | 52°F | Mostly Clear | 2 mph SW | 0% |
| Wednesday | 93°F | Sunny | 0 mph | 0% |
| Wednesday Night | 59°F | Mostly Clear | 0 mph | 0% |
| Thursday | 96°F | Sunny | 2 mph NW | 0% |
| Thursday Night | 57°F | Mostly Clear | 2 mph WSW | 0% |
| Friday | 89°F | Mostly Sunny | 2 mph WSW | 0% |
| Friday Night | 54°F | Partly Cloudy | 2 mph WSW | 1% |
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
9b
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.