Harman US

Washtucna, WA Weather & Growing Conditions

Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear 2 mph S 1%
Saturday 81°F Sunny 3 mph SW 0%
Saturday Night 51°F Mostly Clear 3 mph E 0%
Sunday 85°F Sunny 3 mph SE 0%
Sunday Night 54°F Mostly Clear 3 mph SE 0%
Monday 86°F Sunny 3 mph S 0%
Monday Night 54°F Partly Cloudy 3 mph SW 0%
Tuesday 81°F Mostly Sunny 5 mph S 0%
Tuesday Night 52°F Partly Cloudy 5 mph SW 0%
Wednesday 77°F Mostly Sunny 5 mph SW 0%
Wednesday Night 50°F Partly Cloudy 3 mph W 0%
Thursday 82°F Mostly Sunny 3 mph S 2%
Thursday Night 52°F Partly Cloudy then Slight Chance Rain Showers 3 mph NW 15%
Friday 77°F Slight Chance Rain Showers then Mostly Sunny 5 mph SW 15%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Washtucna, WA

Last spring frost
May 13
First fall frost
Sep 26
Growing season
133 days
Hardiness zone
7a

Explore more for Washtucna, WA: full frost dates · planting calendar · Washington frost dates

Climate data from the nearest NOAA station, Lacrosse, Wa (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.