Tonasket, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tonasket, a city in Okanogan County, Washington.
Today
52°F
Partly Sunny
Partly sunny. High near 52, with temperatures falling to around 47 in the afternoon. Southeast wind around 1 mph.
7-day forecast for Tonasket
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Partly Sunny | 1 mph SE | 2% |
| Tonight | 36°F | Partly Cloudy | 1 mph NE | 2% |
| Wednesday | 53°F | Sunny | 1 to 7 mph S | 1% |
| Wednesday Night | 38°F | Chance Rain Showers | 1 to 5 mph S | 25% |
| Thursday | 53°F | Slight Chance Rain Showers then Mostly Sunny | 1 to 6 mph S | 16% |
| Thursday Night | 38°F | Mostly Cloudy | 6 mph S | 13% |
| Friday | 52°F | Mostly Cloudy | 6 to 15 mph S | 13% |
| Friday Night | 37°F | Mostly Cloudy | 2 to 8 mph S | 9% |
| Saturday | 54°F | Mostly Cloudy | 3 mph S | 9% |
| Saturday Night | 40°F | Slight Chance Rain Showers | 2 to 8 mph S | 16% |
| Sunday | 56°F | Slight Chance Rain Showers then Partly Sunny | 6 to 14 mph S | 16% |
| Sunday Night | 35°F | Mostly Cloudy | 2 to 6 mph NE | 4% |
| Monday | 52°F | Partly Sunny then Slight Chance Rain Showers | 3 mph SE | 24% |
| Monday Night | 38°F | Chance Rain Showers | 5 mph S | 41% |
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 Nov 3, 2026.