Harman US

Steptoe, WA Weather & Growing Conditions

Today
85°F
Smoke then Haze
Smoke and haze before 9am, then haze and areas of smoke. Sunny, with a high near 85. North wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 85°F Smoke then Haze 5 mph N 0%
Tonight 46°F Patchy Smoke then Haze 3 mph NE 0%
Wednesday 91°F Patchy Smoke 3 mph S 0%
Wednesday Night 50°F Patchy Smoke then Clear 3 mph NE 0%
Thursday 95°F Sunny 5 mph S 0%
Thursday Night 54°F Mostly Clear 5 mph S 0%
Friday 93°F Sunny 5 to 12 mph SW 0%
Friday Night 54°F Mostly Clear 3 to 10 mph SW 0%
Saturday 90°F Sunny 5 to 9 mph SW 0%
Saturday Night 52°F Mostly Clear 3 to 9 mph SW 0%
Sunday 85°F Sunny 6 to 9 mph SW 0%
Sunday Night 50°F Mostly Clear 3 to 7 mph S 0%
Monday 84°F Sunny 7 mph SW 0%
Monday Night 49°F Mostly Clear 2 to 6 mph S 0%

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 Aug 4, 2026.