Sebastopol, CA Weather & Growing Conditions
This Afternoon
62°F
Light Rain
Rain. Mostly cloudy. High near 62, with temperatures falling to around 55 in the afternoon. Southeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 62°F | Light Rain | 7 mph SE | 90% |
| Tonight | 44°F | Chance Light Rain then Mostly Cloudy | 2 to 7 mph NE | 33% |
| Wednesday | 68°F | Patchy Fog then Sunny | 1 to 9 mph NW | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 2 to 9 mph NW | 0% |
| Thursday | 73°F | Sunny | 1 to 6 mph NNW | 0% |
| Thursday Night | 43°F | Mostly Clear | 0 to 6 mph NNW | 0% |
| Friday | 74°F | Sunny | 0 to 3 mph NW | 0% |
| Friday Night | 45°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Saturday | 76°F | Sunny | 0 to 5 mph NNW | 0% |
| Saturday Night | 45°F | Mostly Clear | 1 to 5 mph NW | 0% |
| Sunday | 75°F | Patchy Fog then Mostly Sunny | 0 to 5 mph WNW | 0% |
| Sunday Night | 46°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph NW | 0% |
| Monday | 72°F | Areas Of Fog then Partly Sunny | 0 to 6 mph NW | 3% |
| Monday Night | 45°F | Mostly Cloudy then Patchy Fog | 0 to 6 mph NW | 4% |
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 Nov 4, 2026.