Inchelium, WA Weather & Growing Conditions
Tonight
47°F
Mostly Clear
Mostly clear, with a low around 47. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear | 2 mph E | 0% |
| Saturday | 73°F | Sunny | 5 mph SW | 0% |
| Saturday Night | 48°F | Partly Cloudy | 3 mph SW | 0% |
| Sunday | 75°F | Sunny | 5 mph SE | 0% |
| Sunday Night | 48°F | Mostly Clear | 3 mph N | 0% |
| Monday | 74°F | Sunny | 3 to 7 mph S | 0% |
| Monday Night | 49°F | Partly Cloudy | 5 mph W | 0% |
| Tuesday | 71°F | Mostly Sunny | 2 to 7 mph SE | 1% |
| Tuesday Night | 48°F | Partly Cloudy | 2 to 6 mph SW | 1% |
| Wednesday | 67°F | Mostly Sunny | 2 to 8 mph SE | 0% |
| Wednesday Night | 47°F | Mostly Cloudy | 2 to 6 mph SE | 1% |
| Thursday | 69°F | Mostly Sunny | 5 mph E | 3% |
| Thursday Night | 49°F | Mostly Cloudy | 3 mph W | 10% |
| Friday | 66°F | Partly Sunny then Slight Chance Rain Showers | 3 to 7 mph S | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Inchelium, WA
Last spring frost
May 2
First fall frost
Oct 2
Growing season
153 days
Hardiness zone
6b
Explore more for Inchelium, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Colville, Wa (14.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.