Inchelium, WA Weather & Growing Conditions
Tonight
47°F
Mostly Clear
Mostly clear, with a low around 47. Southeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Clear | 1 mph SE | 0% |
| Saturday | 74°F | Sunny | 1 to 5 mph SW | 0% |
| Saturday Night | 48°F | Partly Cloudy | 2 mph SE | 0% |
| Sunday | 75°F | Sunny | 3 mph E | 0% |
| Sunday Night | 49°F | Mostly Clear | 2 mph E | 0% |
| Monday | 75°F | Sunny | 1 to 6 mph S | 0% |
| Monday Night | 49°F | Partly Cloudy | 1 to 5 mph S | 0% |
| Tuesday | 72°F | Mostly Sunny | 1 to 7 mph SE | 1% |
| Tuesday Night | 47°F | Partly Cloudy | 1 to 5 mph S | 1% |
| Wednesday | 68°F | Mostly Sunny | 1 to 7 mph SE | 0% |
| Wednesday Night | 47°F | Mostly Cloudy | 1 to 5 mph SE | 1% |
| Thursday | 70°F | Mostly Sunny | 1 to 5 mph E | 3% |
| Thursday Night | 48°F | Mostly Cloudy | 3 mph N | 9% |
| Friday | 67°F | Partly Sunny then Slight Chance Rain Showers | 2 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 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 (16.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.