Rupert, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rupert, a city in Minidoka County, Idaho.
This Afternoon
52°F
Partly Sunny
Partly sunny. High near 52, with temperatures falling to around 49 in the afternoon. East wind 9 to 13 mph, with gusts as high as 22 mph.
7-day forecast for Rupert
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Partly Sunny | 9 to 13 mph E | 0% |
| Tonight | 36°F | Cloudy | 2 to 9 mph NNE | 3% |
| Wednesday | 52°F | Partly Sunny | 3 to 10 mph WSW | 7% |
| Wednesday Night | 32°F | Patchy Fog | 3 mph S | 0% |
| Thursday | 51°F | Patchy Fog then Partly Sunny | 2 to 6 mph E | 0% |
| Thursday Night | 32°F | Areas Of Fog | 2 to 6 mph WSW | 0% |
| Friday | 52°F | Mostly Sunny | 3 mph WSW | 1% |
| Friday Night | 33°F | Partly Cloudy | 3 mph SE | 1% |
| Saturday | 55°F | Sunny | 6 mph E | 0% |
| Saturday Night | 35°F | Mostly Clear | 7 mph E | 0% |
| Sunday | 61°F | Mostly Sunny | 2 to 7 mph ESE | 0% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph ESE | 0% |
| Monday | 60°F | Mostly Sunny | 5 mph ENE | 0% |
| Monday Night | 38°F | Mostly Cloudy | 3 mph S | 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 Nov 3, 2026.