Chewelah, WA Weather & Growing Conditions
Tonight
49°F
Mostly Clear
Mostly clear, with a low around 49. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Clear | 0 mph | 0% |
| Saturday | 78°F | Sunny | 0 to 3 mph SW | 0% |
| Saturday Night | 49°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 80°F | Sunny | 0 to 3 mph SW | 0% |
| Sunday Night | 50°F | Mostly Clear | 1 mph W | 0% |
| Monday | 80°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph W | 0% |
| Tuesday | 76°F | Mostly Sunny | 0 to 5 mph S | 1% |
| Tuesday Night | 49°F | Partly Cloudy | 0 to 3 mph S | 1% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph SE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 3 mph SE | 1% |
| Thursday | 75°F | Mostly Sunny | 2 mph SE | 3% |
| Thursday Night | 49°F | Mostly Cloudy | 2 mph NE | 10% |
| Friday | 72°F | Partly Sunny then Slight Chance Rain Showers | 1 to 5 mph SE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Chewelah, WA
Last spring frost
May 16
First fall frost
Sep 15
Growing season
120 days
Hardiness zone
6a
Explore more for Chewelah, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Chewelah, Wa (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.