Clayton, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clayton, a city in Custer County, Idaho.
Today
83°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 83. East wind 2 to 13 mph, with gusts as high as 22 mph.
7-day forecast for Clayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Areas Of Smoke | 2 to 13 mph E | 0% |
| Tonight | 49°F | Areas Of Smoke | 5 to 14 mph W | 0% |
| Wednesday | 87°F | Areas Of Smoke | 3 to 13 mph W | 0% |
| Wednesday Night | 51°F | Mostly Clear | 7 to 13 mph WSW | 0% |
| Thursday | 93°F | Sunny | 6 to 14 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 7 to 14 mph WSW | 1% |
| Friday | 94°F | Sunny | 6 to 16 mph WSW | 1% |
| Friday Night | 57°F | Mostly Clear | 7 to 16 mph WSW | 0% |
| Saturday | 92°F | Sunny | 5 to 16 mph WSW | 1% |
| Saturday Night | 57°F | Mostly Clear | 6 to 16 mph WSW | 0% |
| Sunday | 90°F | Sunny | 6 to 17 mph WSW | 0% |
| Sunday Night | 55°F | Mostly Clear | 7 to 17 mph WSW | 0% |
| Monday | 89°F | Sunny | 6 to 16 mph WSW | 1% |
| Monday Night | 54°F | Mostly Clear | 7 to 16 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Clayton (44.259, -114.383). Updated through the day.
Growing snapshot for Clayton
Growing season
29 days
Hardiness zone
5b
More local growing data for Clayton: nearby ZIP 83227 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Stanley Rs, Id (21.4 mi from Clayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.