Tonasket, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tonasket, a city in Okanogan County, Washington.
Overnight
56°F
Haze
Haze and patchy smoke. Mostly clear. Low around 56, with temperatures rising to around 58 overnight. North wind around 5 mph.
7-day forecast for Tonasket
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Haze | 5 mph N | 0% |
| Tuesday | 90°F | Haze | 5 mph N | 0% |
| Tuesday Night | 61°F | Haze | 3 mph N | 0% |
| Wednesday | 95°F | Sunny | 2 to 10 mph W | 0% |
| Wednesday Night | 63°F | Mostly Clear | 1 to 10 mph E | 0% |
| Thursday | 99°F | Sunny | 1 to 10 mph W | 0% |
| Thursday Night | 66°F | Mostly Clear | 2 to 10 mph W | 0% |
| Friday | 99°F | Sunny | 2 to 12 mph NW | 0% |
| Friday Night | 65°F | Mostly Clear | 6 to 12 mph NW | 0% |
| Saturday | 95°F | Sunny | 3 to 9 mph W | 0% |
| Saturday Night | 64°F | Partly Cloudy | 7 to 14 mph NW | 0% |
| Sunday | 92°F | Sunny | 9 mph N | 1% |
| Sunday Night | 62°F | Mostly Clear | 7 to 13 mph N | 1% |
| Monday | 91°F | Sunny | 7 to 12 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Tonasket (48.708, -119.442). Updated through the day.
Growing snapshot for Tonasket
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
160 days
Hardiness zone
6b
More local growing data for Tonasket: nearby ZIP 98849 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Brewster
Conconully
Coulee Dam
Disautel
Elmer City
Loomis
Malott
Methow
Nespelem
North Omak
Okanogan
Omak
Oroville
Pateros
Riverside
Twisp
Winthrop
Climate data from the nearest NOAA station, Omak Ap, Wa (7.4 mi from Tonasket). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.