Inchelium, WA Weather & Growing Conditions
Today
48°F
Sunny
Sunny. High near 48, with temperatures falling to around 43 in the afternoon. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 48°F | Sunny | 3 mph S | 2% |
| Tonight | 33°F | Chance Rain Showers | 2 mph SE | 29% |
| Thursday | 46°F | Chance Rain Showers then Mostly Sunny | 1 to 5 mph S | 29% |
| Thursday Night | 33°F | Partly Cloudy | 3 mph SE | 1% |
| Friday | 45°F | Mostly Cloudy | 1 to 6 mph SE | 11% |
| Friday Night | 34°F | Slight Chance Rain Showers | 1 to 5 mph SE | 22% |
| Saturday | 50°F | Mostly Cloudy | 3 mph NE | 11% |
| Saturday Night | 36°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 7 mph E | 20% |
| Sunday | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph S | 20% |
| Sunday Night | 32°F | Mostly Cloudy | 5 mph S | 2% |
| Monday | 46°F | Partly Sunny | 3 mph NE | 10% |
| Monday Night | 34°F | Chance Rain Showers | 2 mph NE | 28% |
| Tuesday | 48°F | Chance Rain Showers | 5 mph SE | 36% |
| Tuesday Night | 36°F | Chance Rain Showers | 5 mph SE | 36% |
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 Nov 4, 2026.