Arimo, ID Weather & Growing Conditions
Today
47°F
Mostly Cloudy
Mostly cloudy. High near 47, with temperatures falling to around 44 in the afternoon. West wind 5 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 47°F | Mostly Cloudy | 5 to 9 mph W | 4% |
| Tonight | 31°F | Patchy Fog then Partly Cloudy | 2 mph NW | 2% |
| Thursday | 46°F | Patchy Fog then Mostly Cloudy | 1 to 5 mph SSW | 9% |
| Thursday Night | 32°F | Partly Cloudy then Patchy Fog | 2 mph WNW | 9% |
| Friday | 46°F | Mostly Sunny | 0 to 3 mph WSW | 0% |
| Friday Night | 31°F | Partly Cloudy | 1 mph S | 0% |
| Saturday | 51°F | Sunny | 2 mph SSE | 0% |
| Saturday Night | 34°F | Partly Cloudy | 1 to 6 mph SSE | 0% |
| Sunday | 54°F | Sunny | 6 to 10 mph S | 0% |
| Sunday Night | 36°F | Partly Cloudy | 6 mph S | 0% |
| Monday | 55°F | Mostly Sunny | 6 mph SSE | 0% |
| Monday Night | 37°F | Mostly Cloudy | 5 mph SSE | 0% |
| Tuesday | 55°F | Mostly Sunny | 5 mph SSW | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 2 mph SSW | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arimo, ID
Last spring frost
May 23
First fall frost
Sep 24
Growing season
121 days
Hardiness zone
6b
Explore more for Arimo, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Mccammon, Id (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.