Rupert, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rupert, a city in Minidoka County, Idaho.
Overnight
46°F
Patchy Smoke
Patchy smoke after 3am. Mostly clear. Low around 46, with temperatures rising to around 49 overnight. West southwest wind around 8 mph.
7-day forecast for Rupert
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Patchy Smoke | 8 mph WSW | 0% |
| Tuesday | 84°F | Areas Of Smoke | 3 to 12 mph WSW | 0% |
| Tuesday Night | 50°F | Areas Of Smoke | 5 to 13 mph WSW | 0% |
| Wednesday | 91°F | Areas Of Smoke | 2 to 10 mph SW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 97°F | Sunny | 2 to 8 mph NNE | 0% |
| Thursday Night | 59°F | Clear | 3 to 10 mph SW | 0% |
| Friday | 99°F | Sunny | 3 to 9 mph SSW | 0% |
| Friday Night | 61°F | Mostly Clear | 5 to 15 mph WSW | 0% |
| Saturday | 99°F | Sunny | 3 to 7 mph WSW | 0% |
| Saturday Night | 62°F | Mostly Clear | 5 to 13 mph W | 0% |
| Sunday | 96°F | Sunny | 5 to 12 mph W | 1% |
| Sunday Night | 61°F | Mostly Clear | 5 to 14 mph W | 0% |
| Monday | 94°F | Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rupert (42.619, -113.674). Updated through the day.
Growing snapshot for Rupert
Last spring frost
May 16
First fall frost
Oct 1
Growing season
136 days
Hardiness zone
6a
More local growing data for Rupert: nearby ZIP 83350 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Minidoka Dam, Id (5.6 mi from Rupert). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.