Arimo, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arimo, a city in Bannock County, Idaho.
Tonight
27°F
Areas Of Fog
Areas of fog after 11pm. Cloudy. Low around 27, with temperatures rising to around 31 overnight. Northeast wind around 2 mph.
7-day forecast for Arimo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 27°F | Areas Of Fog | 2 mph NE | 4% |
| Wednesday | 50°F | Patchy Fog then Mostly Cloudy | 1 to 8 mph NNW | 5% |
| Wednesday Night | 24°F | Areas Of Fog | 2 mph N | 0% |
| Thursday | 49°F | Areas Of Fog then Partly Sunny | 0 to 3 mph SW | 10% |
| Thursday Night | 25°F | Areas Of Fog | 2 mph NW | 10% |
| Friday | 50°F | Mostly Sunny | 0 to 3 mph W | 1% |
| Friday Night | 25°F | Partly Cloudy | 0 to 3 mph SSW | 1% |
| Saturday | 54°F | Sunny | 2 mph SSE | 0% |
| Saturday Night | 27°F | Mostly Clear | 3 mph SSE | 0% |
| Sunday | 58°F | Sunny | 3 to 10 mph S | 0% |
| Sunday Night | 29°F | Partly Cloudy | 1 to 6 mph SSE | 1% |
| Monday | 59°F | Mostly Sunny | 1 to 6 mph SSE | 1% |
| Monday Night | 31°F | Mostly Cloudy | 0 to 5 mph S | 4% |
| Tuesday | 58°F | Mostly Sunny | 0 to 5 mph WSW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Arimo (42.560, -112.173). Updated through the day.
Growing snapshot for Arimo
Last spring frost
May 23
First fall frost
Sep 24
Growing season
121 days
Hardiness zone
5b
More local growing data for Arimo: nearby ZIP 83250 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mccammon, Id (3 mi from Arimo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.