Teton, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Teton, a city in Madison County, Idaho.
Tonight
29°F
Mostly Cloudy
Mostly cloudy. Low around 29, with temperatures rising to around 32 overnight. East northeast wind around 5 mph.
7-day forecast for Teton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 29°F | Mostly Cloudy | 5 mph ENE | 0% |
| Wednesday | 50°F | Partly Sunny | 1 to 7 mph SSW | 1% |
| Wednesday Night | 26°F | Patchy Fog | 1 to 5 mph ESE | 0% |
| Thursday | 47°F | Mostly Sunny then Slight Chance Light Rain | 1 to 6 mph SSW | 17% |
| Thursday Night | 28°F | Slight Chance Light Rain then Areas Of Fog | 3 mph S | 17% |
| Friday | 46°F | Partly Sunny | 2 to 7 mph SW | 3% |
| Friday Night | 27°F | Partly Cloudy | 2 mph ESE | 3% |
| Saturday | 50°F | Mostly Sunny | 3 mph NNW | 0% |
| Saturday Night | 28°F | Partly Cloudy | 2 mph NNE | 0% |
| Sunday | 55°F | Mostly Sunny | 1 to 5 mph SSE | 0% |
| Sunday Night | 32°F | Partly Cloudy | 3 mph ESE | 0% |
| Monday | 55°F | Mostly Sunny | 2 mph WNW | 1% |
| Monday Night | 33°F | Mostly Cloudy | 2 mph SE | 2% |
| Tuesday | 55°F | Mostly Sunny | 3 mph S | 6% |
Forecast source: National Weather Service (api.weather.gov) for Teton (43.888, -111.672). Updated through the day.
Growing snapshot for Teton
Last spring frost
May 29
First fall frost
Sep 13
Growing season
106 days
Hardiness zone
5a
More local growing data for Teton: nearby ZIP 83451 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sugar City, Id (5.3 mi from Teton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.