Sebastopol, CA Weather & Growing Conditions
Tonight
52°F
Mostly Clear then Areas Of Fog
Areas of fog after 2am. Mostly clear, with a low around 52. West southwest wind 0 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear then Areas Of Fog | 0 to 8 mph WSW | 0% |
| Saturday | 83°F | Areas Of Fog then Mostly Sunny | 0 to 9 mph SSW | 0% |
| Saturday Night | 53°F | Mostly Cloudy then Areas Of Fog | 1 to 7 mph SW | 0% |
| Sunday | 78°F | Areas Of Fog then Partly Sunny | 1 to 7 mph SW | 0% |
| Sunday Night | 52°F | Areas Of Fog | 0 to 7 mph WSW | 0% |
| Monday | 78°F | Areas Of Fog then Mostly Sunny | 0 to 8 mph SW | 0% |
| Monday Night | 52°F | Areas Of Fog | 0 to 8 mph W | 0% |
| Tuesday | 81°F | Areas Of Fog then Sunny | 0 to 7 mph WNW | 0% |
| Tuesday Night | 53°F | Mostly Clear then Patchy Fog | 0 to 7 mph WNW | 0% |
| Wednesday | 89°F | Areas Of Fog then Sunny | 0 to 7 mph W | 0% |
| Wednesday Night | 55°F | Partly Cloudy | 0 to 7 mph NW | 0% |
| Thursday | 89°F | Mostly Sunny | 0 to 7 mph W | 0% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 7 mph WNW | 0% |
| Friday | 85°F | Mostly Sunny | 0 to 9 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sebastopol, CA
Last spring frost
Mar 20
First fall frost
Nov 13
Growing season
240 days
Hardiness zone
9a
Explore more for Sebastopol, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Graton, Ca (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.