Oroville, WA Weather & Growing Conditions
Today
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 3 mph N | 0% |
| Tonight | 54°F | Smoke | 2 mph NE | 0% |
| Wednesday | 86°F | Smoke | 1 to 8 mph W | 0% |
| Wednesday Night | 57°F | Smoke then Mostly Clear | 1 to 7 mph NE | 0% |
| Thursday | 91°F | Sunny | 1 to 7 mph W | 0% |
| Thursday Night | 61°F | Mostly Clear | 1 to 7 mph N | 0% |
| Friday | 90°F | Sunny | 1 to 8 mph NW | 0% |
| Friday Night | 59°F | Mostly Clear | 6 to 12 mph NW | 0% |
| Saturday | 85°F | Mostly Sunny | 7 mph NW | 0% |
| Saturday Night | 58°F | Partly Cloudy | 6 to 9 mph NW | 0% |
| Sunday | 83°F | Sunny | 7 mph NW | 2% |
| Sunday Night | 56°F | Partly Cloudy | 7 mph NW | 2% |
| Monday | 81°F | Sunny | 3 to 8 mph NW | 1% |
| Monday Night | 55°F | Partly Cloudy | 3 to 8 mph NW | 1% |
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 Aug 4, 2026.