Glenns Ferry, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glenns Ferry, a city in Elmore County, Idaho.
Today
92°F
Smoke
Smoke. Sunny, with a high near 92. North northwest wind 3 to 12 mph, with gusts as high as 24 mph.
7-day forecast for Glenns Ferry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 92°F | Smoke | 3 to 12 mph NNW | 0% |
| Tonight | 51°F | Areas Of Smoke | 1 to 13 mph WNW | 0% |
| Wednesday | 98°F | Areas Of Smoke | 6 mph NNW | 0% |
| Wednesday Night | 56°F | Patchy Smoke | 3 to 10 mph NNW | 0% |
| Thursday | 104°F | Patchy Smoke | 5 mph NE | 0% |
| Thursday Night | 62°F | Patchy Smoke | 7 mph N | 0% |
| Friday | 105°F | Sunny | 3 to 8 mph WSW | 0% |
| Friday Night | 64°F | Mostly Clear | 2 to 14 mph NW | 0% |
| Saturday | 104°F | Sunny | 2 to 9 mph W | 1% |
| Saturday Night | 64°F | Mostly Clear | 3 to 15 mph WNW | 0% |
| Sunday | 100°F | Sunny | 5 to 14 mph W | 0% |
| Sunday Night | 62°F | Mostly Clear | 3 to 17 mph WNW | 0% |
| Monday | 99°F | Sunny | 3 to 12 mph W | 0% |
| Monday Night | 61°F | Mostly Clear | 3 to 15 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Glenns Ferry (42.950, -115.308). Updated through the day.
Growing snapshot for Glenns Ferry
Last spring frost
May 1
First fall frost
Oct 3
Growing season
154 days
Hardiness zone
7a
More local growing data for Glenns Ferry: nearby ZIP 83623 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Glenns Ferry, Id (8 mi from Glenns Ferry). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.