Harman US

Washtucna, WA Weather & Growing Conditions

Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. Southwest wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear 3 mph SW 0%
Saturday 80°F Sunny 3 mph SW 0%
Saturday Night 52°F Mostly Clear 3 mph E 0%
Sunday 84°F Sunny 5 mph SE 0%
Sunday Night 53°F Mostly Clear 3 mph E 0%
Monday 84°F Sunny 5 mph S 0%
Monday Night 54°F Partly Cloudy 5 mph SW 0%
Tuesday 80°F Mostly Sunny 6 mph S 0%
Tuesday Night 51°F Partly Cloudy 5 mph SW 0%
Wednesday 76°F Mostly Sunny 5 mph SW 0%
Wednesday Night 50°F Partly Cloudy 3 mph NE 0%
Thursday 80°F Mostly Sunny 3 mph SE 2%
Thursday Night 52°F Partly Cloudy then Slight Chance Rain Showers 5 mph W 15%
Friday 75°F Slight Chance Rain Showers then Mostly Sunny 6 mph SW 15%

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

Growing snapshot for Washtucna, WA

Last spring frost
Apr 25
First fall frost
Oct 15
Growing season
173 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Hatton 9 Se, Wa (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.