Clayton, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clayton, a community in Stevens County, Washington.
Overnight
44°F
Haze
Haze and patchy smoke. Mostly clear. Low around 44, with temperatures rising to around 46 overnight. North wind around 2 mph.
7-day forecast for Clayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Haze | 2 mph N | 0% |
| Tuesday | 84°F | Sunny | 3 mph NW | 0% |
| Tuesday Night | 48°F | Haze | 0 to 3 mph NW | 0% |
| Wednesday | 88°F | Sunny | 0 to 6 mph S | 0% |
| Wednesday Night | 51°F | Mostly Clear | 0 to 6 mph SW | 0% |
| Thursday | 93°F | Sunny | 0 to 7 mph S | 0% |
| Thursday Night | 55°F | Mostly Clear | 0 to 7 mph SW | 0% |
| Friday | 92°F | Sunny | 1 to 10 mph S | 0% |
| Friday Night | 54°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Saturday | 89°F | Sunny | 0 to 9 mph S | 0% |
| Saturday Night | 52°F | Mostly Clear | 1 to 9 mph S | 0% |
| Sunday | 86°F | Sunny | 1 to 7 mph S | 0% |
| Sunday Night | 50°F | Mostly Clear | 1 to 7 mph SE | 0% |
| Monday | 84°F | Sunny | 1 to 6 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Clayton (48.001, -117.561). Updated through the day.
Growing snapshot for Clayton
Last spring frost
May 22
First fall frost
Sep 14
Growing season
112 days
Hardiness zone
6a
More local growing data for Clayton: nearby ZIP 99110 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Addy
Barney's Junction
Chewelah
Colville
Inchelium
Kettle Falls
Loon Lake
Marcus
Northport
Springdale
Valley
Climate data from the nearest NOAA station, Deer Park Ap, Wa (7.5 mi from Clayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.