Okanogan, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Okanogan, a city in Okanogan County, Washington.
Today
91°F
Smoke
Smoke before 9am, then smoke and haze. Sunny, with a high near 91. North wind 3 to 9 mph.
7-day forecast for Okanogan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Smoke | 3 to 9 mph N | 0% |
| Tonight | 59°F | Smoke | 5 mph NE | 0% |
| Wednesday | 96°F | Smoke | 3 to 10 mph E | 0% |
| Wednesday Night | 62°F | Smoke then Mostly Clear | 2 to 9 mph W | 0% |
| Thursday | 100°F | Sunny | 2 to 10 mph S | 0% |
| Thursday Night | 65°F | Mostly Clear | 2 to 10 mph W | 0% |
| Friday | 100°F | Sunny | 2 to 13 mph W | 0% |
| Friday Night | 64°F | Mostly Clear | 5 to 13 mph NW | 0% |
| Saturday | 96°F | Sunny | 3 to 10 mph SW | 0% |
| Saturday Night | 62°F | Mostly Clear | 7 to 12 mph W | 0% |
| Sunday | 93°F | Sunny | 3 to 10 mph N | 0% |
| Sunday Night | 61°F | Mostly Clear | 7 to 10 mph W | 0% |
| Monday | 92°F | Sunny | 5 to 10 mph N | 1% |
| Monday Night | 60°F | Mostly Clear | 6 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Okanogan (48.367, -119.579). Updated through the day.
Growing snapshot for Okanogan
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
160 days
Hardiness zone
7a
More local growing data for Okanogan: nearby ZIP 98840 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Brewster
Conconully
Coulee Dam
Disautel
Elmer City
Loomis
Malott
Methow
Nespelem
North Omak
Omak
Oroville
Pateros
Riverside
Tonasket
Twisp
Winthrop
Climate data from the nearest NOAA station, Omak Ap, Wa (11.7 mi from Okanogan). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.