Glen Ellen, CA Weather & Growing Conditions
Overnight
56°F
Mostly Clear
Mostly clear, with a low around 56. North northwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Clear | 1 mph NNW | 0% |
| Tuesday | 99°F | Haze then Sunny | 1 to 5 mph WSW | 0% |
| Tuesday Night | 53°F | Mostly Clear | 5 mph NW | 0% |
| Wednesday | 96°F | Sunny | 5 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 94°F | Sunny | 5 mph WSW | 0% |
| Thursday Night | 54°F | Mostly Clear | 5 mph WSW | 0% |
| Friday | 100°F | Sunny | 1 to 5 mph WSW | 0% |
| Friday Night | 56°F | Mostly Clear | 1 to 5 mph WSW | 0% |
| Saturday | 99°F | Sunny | 1 to 5 mph SW | 0% |
| Saturday Night | 58°F | Mostly Clear | 3 mph SW | 0% |
| Sunday | 96°F | Sunny | 1 to 5 mph SSW | 0% |
| Sunday Night | 54°F | Mostly Clear then Patchy Fog | 5 mph SSW | 0% |
| Monday | 88°F | Sunny | 2 to 6 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Glen Ellen, CA
Last spring frost
Mar 2
First fall frost
Nov 27
Growing season
270 days
Hardiness zone
9b
Explore more for Glen Ellen, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Sonoma, Ca (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.