Harman US

Inchelium, WA Weather & Growing Conditions

Overnight
37°F
Partly Cloudy
Partly cloudy, with a low around 37. North wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 37°F Partly Cloudy 2 mph N 2%
Wednesday 47°F Sunny 3 mph SW 2%
Wednesday Night 37°F Chance Rain Showers 3 mph SE 49%
Thursday 45°F Chance Rain Showers then Partly Sunny 3 mph S 49%
Thursday Night 35°F Mostly Cloudy 3 mph SE 5%
Friday 45°F Mostly Cloudy 6 mph SE 6%
Friday Night 38°F Slight Chance Rain Showers 3 mph E 15%
Saturday 50°F Partly Sunny 3 mph NE 9%
Saturday Night 41°F Mostly Cloudy then Slight Chance Rain Showers 3 to 7 mph E 15%
Sunday 49°F Slight Chance Rain Showers then Mostly Cloudy 6 to 10 mph S 15%
Sunday Night 39°F Mostly Cloudy 6 mph S 3%
Monday 47°F Partly Sunny then Slight Chance Rain Showers 5 mph NE 15%
Monday Night 39°F Chance Rain Showers 5 mph NE 31%
Tuesday 49°F Chance Rain Showers 5 mph SE 31%

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 Nov 4, 2026.