Oroville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oroville, a city in Butte County, California.
This Afternoon
61°F
Light Rain Likely
Rain likely. Mostly cloudy. High near 61, with temperatures falling to around 58 in the afternoon. East southeast wind 2 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Oroville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Light Rain Likely | 2 to 7 mph ESE | 63% |
| Tonight | 45°F | Haze | 0 to 3 mph NNW | 9% |
| Wednesday | 69°F | Sunny | 2 to 7 mph NNW | 0% |
| Wednesday Night | 47°F | Partly Cloudy | 2 mph NNE | 0% |
| Thursday | 72°F | Sunny | 2 to 6 mph NW | 0% |
| Thursday Night | 46°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Friday | 73°F | Sunny | 3 mph W | 0% |
| Friday Night | 49°F | Mostly Clear | 2 mph NE | 0% |
| Saturday | 74°F | Sunny | 3 mph SSW | 0% |
| Saturday Night | 50°F | Mostly Clear | 2 mph ENE | 0% |
| Sunday | 74°F | Mostly Sunny | 3 mph W | 0% |
| Sunday Night | 51°F | Partly Cloudy | 1 mph NNE | 0% |
| Monday | 72°F | Mostly Sunny | 2 mph SSE | 5% |
| Monday Night | 51°F | Partly Cloudy | 1 mph ENE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Oroville (39.495, -121.560). Updated through the day.
Growing snapshot for Oroville
Last spring frost
Jan 29
First fall frost
Dec 7
Growing season
317 days
Hardiness zone
9b
More local growing data for Oroville: nearby ZIP 95968 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Bangor
Berry Creek
Biggs
Butte Creek Canyon
Butte Meadows
Butte Valley
Cherokee
Chico
Clipper Mills
Cohasset
Concow
Durham
Forbestown
Forest Ranch
Gridley
Honcut
Kelly Ridge
Magalia
Oroville East
Palermo
Paradise
Richvale
Robinson Mill
South Oroville
Stirling City
Thermalito
Yankee Hill
Climate data from the nearest NOAA station, Oroville Muni Ap, Ca (5.2 mi from Oroville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.