Inchelium, WA Weather & Growing Conditions
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 2 mph E | 0% |
| Saturday | 76°F | Sunny | 3 mph W | 0% |
| Saturday Night | 51°F | Partly Cloudy | 2 mph SE | 0% |
| Sunday | 77°F | Sunny | 5 mph S | 0% |
| Sunday Night | 52°F | Mostly Clear | 2 mph SE | 0% |
| Monday | 79°F | Sunny | 2 to 6 mph S | 0% |
| Monday Night | 53°F | Partly Cloudy | 1 to 5 mph SW | 0% |
| Tuesday | 76°F | Mostly Sunny | 1 to 7 mph SE | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 1 to 6 mph S | 0% |
| Wednesday | 70°F | Mostly Sunny | 1 to 8 mph S | 1% |
| Wednesday Night | 50°F | Mostly Cloudy | 2 to 7 mph S | 1% |
| Thursday | 69°F | Partly Sunny | 5 mph SE | 1% |
| Thursday Night | 49°F | Mostly Cloudy | 3 mph N | 13% |
| Friday | 66°F | Partly Sunny then Slight Chance Rain Showers | 6 mph SW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Inchelium, WA
Last spring frost
May 16
First fall frost
Sep 15
Growing season
120 days
Hardiness zone
6b
Explore more for Inchelium, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Chewelah, Wa (19.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.