South Oroville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Oroville, a community in Butte County, California.
Overnight
45°F
Clear
Clear, with a low around 45. North wind around 3 mph.
7-day forecast for South Oroville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 45°F | Clear | 3 mph N | 0% |
| Wednesday | 69°F | Sunny | 2 to 8 mph NW | 1% |
| Wednesday Night | 46°F | Partly Cloudy | 2 mph ENE | 2% |
| Thursday | 73°F | Sunny | 2 to 6 mph NNW | 0% |
| Thursday Night | 46°F | Mostly Clear | 3 mph NE | 0% |
| Friday | 71°F | Sunny | 3 mph WSW | 0% |
| Friday Night | 48°F | Mostly Clear | 2 mph ENE | 0% |
| Saturday | 73°F | Sunny | 3 mph SW | 0% |
| Saturday Night | 48°F | Mostly Clear | 2 mph ENE | 0% |
| Sunday | 74°F | Sunny | 0 to 3 mph WSW | 0% |
| Sunday Night | 50°F | Partly Cloudy | 1 mph ENE | 0% |
| Monday | 72°F | Mostly Sunny | 2 mph SSW | 1% |
| Monday Night | 48°F | Partly Cloudy | 1 mph ENE | 1% |
| Tuesday | 71°F | Sunny then Slight Chance Light Rain | 3 mph WNW | 15% |
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 Nov 4, 2026.