Rexburg, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rexburg, a city in Madison County, Idaho.
Overnight
30°F
Cloudy
Cloudy. Low around 30, with temperatures rising to around 32 overnight. Northeast wind around 5 mph.
7-day forecast for Rexburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 30°F | Cloudy | 5 mph NE | 0% |
| Wednesday | 51°F | Patchy Fog then Partly Sunny | 0 to 6 mph SSE | 1% |
| Wednesday Night | 28°F | Areas Of Fog | 0 to 6 mph SE | 0% |
| Thursday | 48°F | Mostly Cloudy | 0 to 5 mph S | 6% |
| Thursday Night | 30°F | Areas Of Fog | 0 to 3 mph SSW | 6% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph SSW | 0% |
| Friday Night | 27°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 50°F | Sunny | 1 mph N | 0% |
| Saturday Night | 29°F | Mostly Clear | 3 mph ENE | 0% |
| Sunday | 55°F | Mostly Sunny | 5 mph SW | 0% |
| Sunday Night | 32°F | Partly Cloudy | 3 mph SE | 0% |
| Monday | 55°F | Mostly Sunny | 2 mph NNE | 0% |
| Monday Night | 34°F | Mostly Cloudy | 2 mph N | 0% |
| Tuesday | 55°F | Mostly Sunny | 3 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov) for Rexburg (43.823, -111.791). Updated through the day.
Growing snapshot for Rexburg
Last spring frost
May 12
First fall frost
Sep 24
Growing season
132 days
Hardiness zone
5a
More local growing data for Rexburg: nearby ZIP 83460 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rexburg Byu Idaho, Id (0.6 mi from Rexburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.