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Thorp, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Thorp, a community in Kittitas County, Washington.

Overnight
52°F
Mostly Clear
Mostly clear. Low around 52, with temperatures rising to around 54 overnight. Northwest wind around 6 mph.

7-day forecast for Thorp

WhenTempForecastWindPrecip
Overnight 52°F Mostly Clear 6 mph NW 0%
Saturday 78°F Mostly Sunny 3 mph N 0%
Saturday Night 53°F Mostly Clear 2 mph NW 0%
Sunday 79°F Sunny 0 to 5 mph E 0%
Sunday Night 54°F Mostly Clear 2 mph NW 0%
Monday 79°F Sunny 1 to 8 mph NW 0%
Monday Night 52°F Partly Cloudy 8 to 12 mph NW 0%
Tuesday 74°F Mostly Sunny 7 to 12 mph NW 0%
Tuesday Night 49°F Partly Cloudy 14 mph NW 0%
Wednesday 70°F Mostly Sunny 7 to 12 mph NW 1%
Wednesday Night 48°F Mostly Cloudy 5 to 10 mph NW 1%
Thursday 67°F Partly Sunny 5 mph NW 8%
Thursday Night 48°F Mostly Cloudy 7 mph NW 12%
Friday 64°F Mostly Sunny 7 mph NW 10%

Forecast source: National Weather Service (api.weather.gov) for Thorp (47.065, -120.671). Updated through the day.

Growing snapshot for Thorp

Last spring frost
Apr 28
First fall frost
Oct 7
Growing season
163 days
Hardiness zone
7a

More local growing data for Thorp: nearby ZIP 98946 weather · frost dates · planting calendar · Washington frost dates

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Climate data from the nearest NOAA station, Ellensburg Bowers Fld, Wa (10.9 mi from Thorp). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.