Arimo, ID Weather & Growing Conditions
Tonight
45°F
Slight Chance Rain Showers then Partly Cloudy
A slight chance of rain showers before midnight. Partly cloudy. Low around 45, with temperatures rising to around 47 overnight. Northwest wind around 2 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Slight Chance Rain Showers then Partly Cloudy | 2 mph NW | 23% |
| Saturday | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 to 6 mph W | 49% |
| Saturday Night | 44°F | Partly Cloudy | 2 mph NW | 11% |
| Sunday | 66°F | Mostly Sunny | 3 mph SW | 0% |
| Sunday Night | 46°F | Mostly Clear | 0 to 3 mph NNE | 0% |
| Monday | 72°F | Sunny | 3 mph SE | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph SSE | 0% |
| Tuesday | 73°F | Mostly Sunny | 1 to 5 mph SE | 4% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 mph SSW | 8% |
| Wednesday | 73°F | Sunny | 3 to 7 mph S | 5% |
| Wednesday Night | 49°F | Mostly Clear | 1 to 5 mph SSE | 4% |
| Thursday | 76°F | Sunny | 2 to 6 mph SE | 3% |
| Thursday Night | 51°F | Partly Cloudy | 1 to 5 mph SSE | 2% |
| Friday | 76°F | Mostly Sunny | 3 to 10 mph S | 6% |
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 Sep 19, 2026.