Harman US

Inchelium, WA Weather & Growing Conditions

This Afternoon
70°F
Sunny
Sunny, with a high near 70. West wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 70°F Sunny 3 mph W 0%
Tonight 50°F Mostly Clear 2 mph NE 0%
Saturday 71°F Sunny 1 to 5 mph S 0%
Saturday Night 52°F Partly Cloudy 2 mph S 0%
Sunday 74°F Sunny 5 mph SE 0%
Sunday Night 54°F Mostly Clear 2 mph NE 0%
Monday 73°F Sunny 1 to 6 mph S 0%
Monday Night 53°F Partly Cloudy 1 to 5 mph S 0%
Tuesday 70°F Mostly Sunny 2 to 6 mph SE 0%
Tuesday Night 51°F Partly Cloudy 2 to 6 mph S 1%
Wednesday 66°F Mostly Sunny 2 to 7 mph S 0%
Wednesday Night 50°F Partly Cloudy 5 mph E 1%
Thursday 69°F Mostly Sunny 5 mph E 2%
Thursday Night 52°F Mostly Cloudy 5 mph NE 8%

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

Growing snapshot for Inchelium, WA

Last spring frost
Jun 6
First fall frost
Sep 11
Growing season
94 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Davenport, Wa (24.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.