South Oroville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Oroville, a community in Butte County, California.
This Afternoon
87°F
Sunny
Sunny, with a high near 87. West northwest wind around 7 mph.
7-day forecast for South Oroville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 87°F | Sunny | 7 mph WNW | 0% |
| Tonight | 59°F | Haze then Clear | 1 to 5 mph NE | 0% |
| Saturday | 91°F | Sunny | 3 mph SSW | 0% |
| Saturday Night | 61°F | Partly Cloudy | 5 mph E | 0% |
| Sunday | 87°F | Partly Sunny | 5 mph SSW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 1 to 5 mph ESE | 0% |
| Monday | 88°F | Mostly Sunny | 1 to 6 mph S | 0% |
| Monday Night | 60°F | Mostly Clear | 1 to 6 mph ESE | 0% |
| Tuesday | 89°F | Sunny | 3 mph SSE | 0% |
| Tuesday Night | 61°F | Clear | 0 to 5 mph E | 0% |
| Wednesday | 93°F | Sunny | 3 mph S | 0% |
| Wednesday Night | 62°F | Mostly Clear | 3 mph ESE | 0% |
| Thursday | 96°F | Sunny | 5 mph S | 0% |
| Thursday Night | 64°F | Mostly Clear | 5 mph SE | 0% |
Forecast source: National Weather Service (api.weather.gov) for South Oroville (39.477, -121.544). Updated through the day.
Growing snapshot for South Oroville
Last spring frost
Jan 29
First fall frost
Dec 7
Growing season
317 days
Hardiness zone
9b
More local growing data for South Oroville: nearby ZIP 95968 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Oroville Muni Ap, Ca (5.2 mi from South Oroville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.