Glenns Ferry, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glenns Ferry, a city in Elmore County, Idaho.
Overnight
38°F
Mostly Cloudy
Mostly cloudy, with a low around 38. West northwest wind around 7 mph.
7-day forecast for Glenns Ferry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Mostly Cloudy | 7 mph WNW | 2% |
| Wednesday | 59°F | Mostly Sunny | 9 mph W | 2% |
| Wednesday Night | 34°F | Partly Cloudy | 0 to 7 mph NW | 2% |
| Thursday | 57°F | Partly Sunny | 3 to 10 mph N | 1% |
| Thursday Night | 28°F | Mostly Clear then Patchy Fog | 2 to 10 mph WNW | 0% |
| Friday | 59°F | Patchy Fog then Sunny | 2 to 6 mph NE | 0% |
| Friday Night | 31°F | Mostly Clear | 1 to 5 mph N | 0% |
| Saturday | 63°F | Sunny | 3 to 13 mph ENE | 0% |
| Saturday Night | 38°F | Partly Cloudy | 12 to 18 mph E | 0% |
| Sunday | 66°F | Mostly Sunny | 5 to 13 mph E | 0% |
| Sunday Night | 38°F | Partly Cloudy | 6 mph ENE | 0% |
| Monday | 66°F | Mostly Sunny | 6 to 9 mph E | 0% |
| Monday Night | 38°F | Mostly Cloudy | 2 to 7 mph E | 0% |
| Tuesday | 65°F | Patchy Fog then Mostly Sunny | 2 to 6 mph SSE | 3% |
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 Nov 4, 2026.