Mountain Home, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mountain Home, a city in Elmore County, Idaho.
This Afternoon
58°F
Mostly Cloudy
Mostly cloudy, with a high near 58. East southeast wind 7 to 21 mph, with gusts as high as 30 mph.
7-day forecast for Mountain Home
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Mostly Cloudy | 7 to 21 mph ESE | 1% |
| Tonight | 36°F | Slight Chance Rain Showers then Cloudy | 2 to 7 mph NNW | 17% |
| Wednesday | 58°F | Mostly Sunny | 5 to 12 mph NW | 3% |
| Wednesday Night | 34°F | Partly Cloudy | 5 mph ENE | 1% |
| Thursday | 56°F | Partly Sunny | 2 to 8 mph N | 2% |
| Thursday Night | 31°F | Mostly Clear | 2 to 8 mph N | 0% |
| Friday | 58°F | Mostly Sunny | 1 to 6 mph E | 0% |
| Friday Night | 34°F | Partly Cloudy | 1 to 5 mph NE | 0% |
| Saturday | 63°F | Sunny | 5 to 14 mph ESE | 0% |
| Saturday Night | 40°F | Partly Cloudy | 12 to 21 mph ESE | 0% |
| Sunday | 66°F | Mostly Sunny | 5 to 17 mph ESE | 0% |
| Sunday Night | 39°F | Mostly Cloudy | 3 to 7 mph NE | 0% |
| Monday | 66°F | Partly Sunny | 5 to 12 mph ESE | 1% |
| Monday Night | 40°F | Partly Cloudy | 5 mph NE | 3% |
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 Nov 3, 2026.