Mountain Home, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mountain Home, a city in Elmore County, Idaho.
Overnight
54°F
Smoke
Smoke. Mostly clear. Low around 54, with temperatures rising to around 58 overnight. Northwest wind around 6 mph.
7-day forecast for Mountain Home
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Smoke | 6 mph NW | 0% |
| Tuesday | 91°F | Smoke | 5 to 13 mph W | 0% |
| Tuesday Night | 58°F | Smoke | 3 to 14 mph NNW | 0% |
| Wednesday | 98°F | Areas Of Smoke | 7 mph S | 0% |
| Wednesday Night | 62°F | Patchy Smoke | 5 to 13 mph N | 0% |
| Thursday | 103°F | Patchy Smoke | 2 to 6 mph ESE | 0% |
| Thursday Night | 67°F | Patchy Smoke | 5 to 8 mph NNE | 0% |
| Friday | 104°F | Sunny | 3 to 7 mph NW | 0% |
| Friday Night | 67°F | Mostly Clear | 5 to 13 mph NNW | 0% |
| Saturday | 103°F | Sunny | 3 to 10 mph NW | 0% |
| Saturday Night | 67°F | Mostly Clear | 5 to 15 mph NNW | 0% |
| Sunday | 99°F | Sunny | 7 to 15 mph NW | 0% |
| Sunday Night | 65°F | Mostly Clear | 6 to 17 mph NNW | 0% |
| Monday | 98°F | Sunny | 6 to 12 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Mountain Home (43.132, -115.697). Updated through the day.
Growing snapshot for Mountain Home
Last spring frost
May 2
First fall frost
Oct 8
Growing season
157 days
Hardiness zone
7a
More local growing data for Mountain Home: nearby ZIP 83648 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mtn Home, Id (9.4 mi from Mountain Home). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.