Arbon Valley, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arbon Valley, a community in Power County, Idaho.
Tonight
44°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 44. South wind around 8 mph. Chance of precipitation is 30%.
7-day forecast for Arbon Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 8 mph S | 32% |
| Saturday | 63°F | Showers And Thunderstorms Likely | 5 to 9 mph SW | 56% |
| Saturday Night | 43°F | Partly Cloudy | 5 mph S | 6% |
| Sunday | 72°F | Mostly Sunny | 2 to 6 mph W | 0% |
| Sunday Night | 44°F | Mostly Clear | 2 to 6 mph E | 0% |
| Monday | 76°F | Sunny | 5 mph NE | 0% |
| Monday Night | 48°F | Partly Cloudy | 5 mph E | 0% |
| Tuesday | 78°F | Mostly Sunny | 5 mph NNE | 1% |
| Tuesday Night | 49°F | Partly Cloudy | 5 mph S | 7% |
| Wednesday | 79°F | Sunny | 6 mph SW | 3% |
| Wednesday Night | 48°F | Mostly Clear | 7 mph SSE | 4% |
| Thursday | 81°F | Sunny | 6 mph SE | 2% |
| Thursday Night | 50°F | Partly Cloudy | 7 mph SSE | 3% |
| Friday | 81°F | Mostly Sunny | 7 to 10 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Arbon Valley (42.888, -112.589). Updated through the day.
Growing snapshot for Arbon Valley
Last spring frost
May 2
First fall frost
Oct 11
Growing season
161 days
Hardiness zone
6a
More local growing data for Arbon Valley: nearby ZIP 83204 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pocatello City, Id (6.2 mi from Arbon Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.