Clayton, WA Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. Northwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 mph NW | 0% |
| Tonight | 46°F | Haze then Smoke | 0 to 3 mph N | 0% |
| Wednesday | 88°F | Smoke | 0 to 6 mph SE | 0% |
| Wednesday Night | 52°F | Smoke | 0 to 5 mph SW | 0% |
| Thursday | 92°F | Sunny | 0 to 7 mph S | 0% |
| Thursday Night | 54°F | Mostly Clear | 0 to 7 mph SW | 0% |
| Friday | 93°F | Sunny | 0 to 9 mph S | 0% |
| Friday Night | 54°F | Mostly Clear | 0 to 9 mph SW | 0% |
| Saturday | 91°F | Sunny | 0 to 10 mph S | 0% |
| Saturday Night | 54°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Sunday | 87°F | Sunny | 0 to 8 mph S | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 8 mph S | 0% |
| Monday | 87°F | Sunny | 0 to 6 mph S | 0% |
| Monday Night | 53°F | Mostly Clear | 0 to 6 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clayton, WA
Last spring frost
May 22
First fall frost
Sep 14
Growing season
112 days
Hardiness zone
6a
Explore more for Clayton, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Deer Park Ap, Wa (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.