Tetonia, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tetonia, a city in Teton County, Idaho.
Today
82°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 82. West southwest wind 2 to 8 mph.
7-day forecast for Tetonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Areas Of Smoke | 2 to 8 mph WSW | 0% |
| Tonight | 47°F | Areas Of Smoke | 7 mph SSE | 0% |
| Thursday | 88°F | Areas Of Smoke | 3 to 8 mph SSW | 0% |
| Thursday Night | 52°F | Patchy Smoke then Mostly Clear | 8 mph SSE | 0% |
| Friday | 91°F | Sunny | 5 to 9 mph SSW | 0% |
| Friday Night | 54°F | Mostly Clear | 5 to 8 mph SSE | 0% |
| Saturday | 92°F | Sunny | 3 to 8 mph S | 0% |
| Saturday Night | 55°F | Partly Cloudy | 5 to 8 mph SSE | 0% |
| Sunday | 91°F | Sunny | 5 to 10 mph SSW | 0% |
| Sunday Night | 55°F | Mostly Clear | 9 mph SSW | 4% |
| Monday | 90°F | Slight Chance Light Rain | 3 to 10 mph SSW | 15% |
| Monday Night | 54°F | Partly Cloudy | 7 to 10 mph S | 2% |
| Tuesday | 88°F | Mostly Sunny | 3 to 10 mph S | 4% |
| Tuesday Night | 53°F | Partly Cloudy | 6 to 10 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 Aug 5, 2026.