Harman US

Steptoe, WA Weather & Growing Conditions

Tonight
34°F
Partly Cloudy
Partly cloudy, with a low around 34. South wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 34°F Partly Cloudy 1 mph S 2%
Wednesday 51°F Sunny 2 mph S 2%
Wednesday Night 36°F Rain Showers Likely 1 to 5 mph S 74%
Thursday 50°F Rain Showers Likely then Mostly Cloudy 5 to 8 mph SW 74%
Thursday Night 36°F Partly Cloudy 6 mph S 1%
Friday 53°F Mostly Cloudy 5 to 8 mph SE 4%
Friday Night 39°F Mostly Cloudy 5 mph SE 8%
Saturday 61°F Partly Sunny 3 to 7 mph SE 3%
Saturday Night 41°F Mostly Cloudy then Slight Chance Rain Showers 7 mph SE 16%
Sunday 53°F Slight Chance Rain Showers then Mostly Cloudy 5 to 9 mph SW 16%
Sunday Night 38°F Mostly Cloudy 5 mph S 5%
Monday 55°F Partly Sunny 5 mph E 9%
Monday Night 38°F Slight Chance Rain Showers 3 mph SE 20%
Tuesday 56°F Slight Chance Rain Showers 2 to 6 mph S 20%

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

Growing snapshot for Steptoe, WA

Last spring frost
Apr 29
First fall frost
Oct 4
Growing season
161 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, St John, Wa (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.