Rexburg, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rexburg, a city in Madison County, Idaho.
Overnight
44°F
Patchy Smoke
Patchy smoke. Mostly clear. Low around 44, with temperatures rising to around 46 overnight. East northeast wind around 5 mph.
7-day forecast for Rexburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 44°F | Patchy Smoke | 5 mph ENE | 0% |
| Tuesday | 83°F | Patchy Smoke | 1 to 8 mph SW | 0% |
| Tuesday Night | 46°F | Patchy Smoke | 3 to 8 mph SE | 1% |
| Wednesday | 86°F | Areas Of Smoke | 1 to 8 mph SW | 0% |
| Wednesday Night | 50°F | Mostly Clear | 7 mph SE | 0% |
| Thursday | 92°F | Sunny | 2 to 8 mph SSE | 0% |
| Thursday Night | 54°F | Clear | 7 mph SE | 0% |
| Friday | 96°F | Sunny | 2 to 8 mph SSE | 0% |
| Friday Night | 56°F | Mostly Clear | 6 to 12 mph S | 0% |
| Saturday | 95°F | Sunny | 5 to 13 mph SSE | 0% |
| Saturday Night | 59°F | Mostly Clear | 5 to 12 mph S | 0% |
| Sunday | 94°F | Sunny | 5 to 16 mph S | 0% |
| Sunday Night | 58°F | Mostly Clear | 6 to 20 mph S | 1% |
| Monday | 93°F | Sunny | 5 to 14 mph S | 1% |
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 Aug 4, 2026.