Ketchum, ID Weather & Growing Conditions
Overnight
46°F
Patchy Smoke
Patchy smoke. Mostly clear, with a low around 46. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Patchy Smoke | 3 mph N | 0% |
| Tuesday | 75°F | Patchy Smoke | 1 to 9 mph WSW | 0% |
| Tuesday Night | 49°F | Areas Of Smoke | 5 to 10 mph NW | 0% |
| Wednesday | 79°F | Areas Of Smoke | 2 to 9 mph W | 0% |
| Wednesday Night | 52°F | Mostly Clear | 6 to 9 mph NW | 0% |
| Thursday | 84°F | Sunny | 3 to 10 mph NW | 0% |
| Thursday Night | 57°F | Clear | 3 to 10 mph WNW | 0% |
| Friday | 85°F | Sunny | 2 to 12 mph W | 0% |
| Friday Night | 58°F | Mostly Clear | 6 to 13 mph WNW | 0% |
| Saturday | 84°F | Sunny | 3 to 12 mph W | 0% |
| Saturday Night | 58°F | Mostly Clear | 5 to 13 mph WNW | 0% |
| Sunday | 81°F | Sunny | 3 to 13 mph W | 0% |
| Sunday Night | 56°F | Mostly Clear | 5 to 13 mph NW | 0% |
| Monday | 81°F | Sunny | 3 to 12 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ketchum, ID
Growing season
77 days
Hardiness zone
5b
Explore more for Ketchum, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Ketchum Rs, Id (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.