Clayton, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clayton, a city in Custer County, Idaho.
This Afternoon
53°F
Mostly Cloudy
Mostly cloudy. High near 53, with temperatures falling to around 48 in the afternoon. East wind around 3 mph.
7-day forecast for Clayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 53°F | Mostly Cloudy | 3 mph E | 0% |
| Tonight | 32°F | Mostly Cloudy | 3 mph SE | 0% |
| Wednesday | 55°F | Mostly Sunny | 5 mph SE | 0% |
| Wednesday Night | 30°F | Partly Cloudy | 3 to 8 mph SW | 0% |
| Thursday | 51°F | Partly Sunny | 3 to 8 mph W | 10% |
| Thursday Night | 27°F | Partly Cloudy | 7 mph W | 8% |
| Friday | 56°F | Mostly Sunny | 3 to 8 mph WSW | 2% |
| Friday Night | 32°F | Partly Cloudy | 8 mph WSW | 2% |
| Saturday | 61°F | Mostly Sunny | 6 mph SSW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 3 to 12 mph S | 0% |
| Sunday | 63°F | Mostly Sunny | 7 to 10 mph SW | 0% |
| Sunday Night | 35°F | Partly Cloudy | 6 to 9 mph SW | 1% |
| Monday | 61°F | Mostly Sunny | 6 mph SSW | 2% |
| Monday Night | 35°F | Partly Cloudy | 6 to 9 mph SW | 4% |
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.