Stonyford, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Stonyford, a community in Colusa County, California.
This Afternoon
85°F
Sunny
Sunny, with a high near 85. North northeast wind around 6 mph.
7-day forecast for Stonyford
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 85°F | Sunny | 6 mph NNE | 0% |
| Tonight | 59°F | Clear | 2 to 6 mph WNW | 0% |
| Saturday | 90°F | Sunny | 1 to 6 mph NNE | 0% |
| Saturday Night | 60°F | Partly Cloudy | 3 mph W | 0% |
| Sunday | 86°F | Partly Sunny | 2 to 6 mph ENE | 0% |
| Sunday Night | 60°F | Partly Cloudy | 1 to 6 mph W | 0% |
| Monday | 90°F | Sunny | 0 to 6 mph ENE | 0% |
| Monday Night | 60°F | Mostly Clear | 2 to 6 mph W | 0% |
| Tuesday | 91°F | Sunny | 1 to 6 mph ENE | 0% |
| Tuesday Night | 61°F | Mostly Clear | 1 to 6 mph WNW | 0% |
| Wednesday | 92°F | Sunny | 1 to 7 mph E | 0% |
| Wednesday Night | 62°F | Mostly Clear | 1 to 7 mph WSW | 0% |
| Thursday | 93°F | Sunny | 1 to 10 mph SW | 0% |
| Thursday Night | 61°F | Mostly Clear | 2 to 10 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Stonyford (39.369, -122.544). Updated through the day.
Growing snapshot for Stonyford
Last spring frost
Apr 6
First fall frost
Nov 10
Growing season
219 days
Hardiness zone
9a
More local growing data for Stonyford: nearby ZIP 95979 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, East Park Rsvr, Ca (5.3 mi from Stonyford). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.