Inchelium, WA Weather & Growing Conditions
Tonight
35°F
Partly Cloudy
Partly cloudy, with a low around 35. Northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Partly Cloudy | 3 mph NE | 2% |
| Wednesday | 50°F | Sunny | 3 mph S | 2% |
| Wednesday Night | 35°F | Chance Rain Showers | 2 mph SE | 42% |
| Thursday | 48°F | Chance Rain Showers then Partly Sunny | 1 to 5 mph S | 42% |
| Thursday Night | 35°F | Mostly Cloudy | 3 mph SE | 5% |
| Friday | 48°F | Mostly Cloudy | 2 to 7 mph SE | 6% |
| Friday Night | 36°F | Mostly Cloudy | 5 mph SE | 14% |
| Saturday | 52°F | Partly Sunny | 5 mph NE | 8% |
| Saturday Night | 39°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph E | 15% |
| Sunday | 51°F | Slight Chance Rain Showers then Partly Sunny | 6 to 13 mph S | 15% |
| Sunday Night | 36°F | Mostly Cloudy | 2 to 7 mph S | 1% |
| Monday | 48°F | Partly Sunny then Slight Chance Rain Showers | 5 mph NE | 15% |
| Monday Night | 37°F | Chance Rain Showers | 5 mph NE | 33% |
| Tuesday | 50°F | Chance Rain Showers | 5 mph SE | 33% |
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 Nov 4, 2026.