Oroville, WA Weather & Growing Conditions
This Afternoon
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 71 in the afternoon. West wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 2 mph W | 0% |
| Tonight | 48°F | Mostly Clear | 1 mph NE | 0% |
| Saturday | 72°F | Mostly Sunny | 1 to 6 mph S | 0% |
| Saturday Night | 48°F | Partly Cloudy | 2 mph S | 0% |
| Sunday | 72°F | Sunny | 2 to 6 mph SE | 0% |
| Sunday Night | 49°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Monday | 72°F | Sunny | 2 to 6 mph S | 0% |
| Monday Night | 48°F | Partly Cloudy | 0 to 5 mph NW | 0% |
| Tuesday | 68°F | Mostly Sunny | 5 mph W | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 0 to 5 mph NW | 1% |
| Wednesday | 63°F | Mostly Sunny | 5 mph N | 3% |
| Wednesday Night | 45°F | Mostly Cloudy | 1 to 5 mph SE | 3% |
| Thursday | 65°F | Partly Sunny | 3 mph E | 8% |
| Thursday Night | 47°F | Mostly Cloudy | 5 mph SE | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oroville, WA
Last spring frost
May 6
First fall frost
Oct 6
Growing season
151 days
Hardiness zone
6a
Explore more for Oroville, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Tonasket 11Ne, Wa (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.