Clayton, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clayton, a city in Custer County, Idaho.
This Afternoon
55°F
Sunny
Sunny. High near 55, with temperatures falling to around 51 in the afternoon. East southeast wind around 5 mph.
7-day forecast for Clayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 55°F | Sunny | 5 mph ESE | 0% |
| Tonight | 30°F | Partly Cloudy | 3 to 8 mph SW | 1% |
| Thursday | 52°F | Partly Sunny | 3 to 7 mph W | 4% |
| Thursday Night | 28°F | Mostly Clear | 6 mph W | 2% |
| Friday | 55°F | Sunny | 3 to 7 mph WSW | 0% |
| Friday Night | 32°F | Partly Cloudy | 3 to 8 mph WSW | 0% |
| Saturday | 62°F | Sunny | 5 mph SSE | 0% |
| Saturday Night | 35°F | Mostly Clear | 2 to 12 mph S | 0% |
| Sunday | 64°F | Mostly Sunny | 6 to 10 mph SSW | 1% |
| Sunday Night | 35°F | Partly Cloudy | 6 to 10 mph SW | 1% |
| Monday | 62°F | Partly Sunny | 7 mph SSW | 0% |
| Monday Night | 35°F | Partly Cloudy | 8 mph SW | 1% |
| Tuesday | 60°F | Mostly Sunny | 6 mph WSW | 9% |
| Tuesday Night | 36°F | Partly Cloudy | 7 mph WSW | 9% |
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 Nov 4, 2026.