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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

WhenTempForecastWindPrecip
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.