Clayton, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clayton, a community in Stevens County, Washington.
Today
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 44 in the afternoon. Southeast wind around 2 mph.
7-day forecast for Clayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Sunny | 2 mph SE | 2% |
| Tonight | 32°F | Patchy Fog then Rain Showers Likely | 0 mph | 71% |
| Thursday | 48°F | Rain Showers Likely then Mostly Cloudy | 0 to 3 mph S | 71% |
| Thursday Night | 31°F | Mostly Cloudy | 1 mph E | 2% |
| Friday | 49°F | Mostly Cloudy | 0 to 3 mph SE | 5% |
| Friday Night | 32°F | Slight Chance Rain Showers | 0 to 3 mph E | 15% |
| Saturday | 55°F | Partly Sunny | 0 to 5 mph NE | 9% |
| Saturday Night | 35°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph E | 15% |
| Sunday | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 9 mph S | 15% |
| Sunday Night | 32°F | Mostly Cloudy | 1 to 6 mph S | 3% |
| Monday | 51°F | Partly Sunny then Slight Chance Rain Showers | 3 mph NE | 15% |
| Monday Night | 33°F | Chance Rain Showers | 2 mph NE | 31% |
| Tuesday | 53°F | Chance Rain Showers | 0 to 3 mph SE | 31% |
| Tuesday Night | 35°F | Chance Rain Showers | 3 mph E | 26% |
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 Nov 4, 2026.