Tetonia, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tetonia, a city in Teton County, Idaho.
This Afternoon
49°F
Mostly Sunny
Mostly sunny. High near 49, with temperatures falling to around 44 in the afternoon. Northwest wind 0 to 3 mph.
7-day forecast for Tetonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Tonight | 27°F | Mostly Cloudy | 5 mph E | 0% |
| Wednesday | 50°F | Partly Sunny | 0 to 7 mph S | 0% |
| Wednesday Night | 25°F | Mostly Clear | 0 to 3 mph ESE | 0% |
| Thursday | 47°F | Mostly Sunny then Chance Light Rain | 1 to 5 mph SW | 28% |
| Thursday Night | 27°F | Chance Rain And Snow | 3 mph S | 28% |
| Friday | 46°F | Mostly Sunny | 1 to 5 mph SW | 7% |
| Friday Night | 26°F | Partly Cloudy | 3 mph SE | 7% |
| Saturday | 51°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 28°F | Partly Cloudy | 1 to 5 mph ESE | 0% |
| Sunday | 57°F | Sunny | 2 to 7 mph S | 0% |
| Sunday Night | 31°F | Partly Cloudy | 3 to 8 mph SSE | 1% |
| Monday | 57°F | Mostly Sunny | 1 to 5 mph SSW | 3% |
| Monday Night | 32°F | Mostly Cloudy | 5 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Tetonia (43.815, -111.159). Updated through the day.
Growing snapshot for Tetonia
Last spring frost
Jun 15
First fall frost
Sep 7
Growing season
85 days
Hardiness zone
5a
More local growing data for Tetonia: nearby ZIP 83424 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Tetonia Exp Stn, Id (5 mi from Tetonia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.