Tetonia, ID Weather & Growing Conditions
Today
78°F
Patchy Smoke
Patchy smoke. Sunny. High near 78, with temperatures falling to around 76 in the afternoon. West southwest wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 2 to 8 mph WSW | 0% |
| Tonight | 43°F | Patchy Smoke | 7 mph SSE | 0% |
| Wednesday | 81°F | Patchy Smoke | 3 to 8 mph SW | 0% |
| Wednesday Night | 46°F | Mostly Clear | 7 mph SSE | 0% |
| Thursday | 87°F | Sunny | 5 to 8 mph SSW | 0% |
| Thursday Night | 50°F | Mostly Clear | 5 to 8 mph SSE | 0% |
| Friday | 90°F | Sunny | 5 to 8 mph SSW | 0% |
| Friday Night | 52°F | Mostly Clear | 7 to 13 mph S | 0% |
| Saturday | 90°F | Sunny | 6 to 10 mph SSW | 0% |
| Saturday Night | 54°F | Mostly Clear | 7 to 10 mph S | 0% |
| Sunday | 89°F | Sunny | 3 to 13 mph SSW | 1% |
| Sunday Night | 54°F | Mostly Clear | 8 to 12 mph S | 2% |
| Monday | 88°F | Sunny | 5 to 12 mph S | 3% |
| Monday Night | 53°F | Partly Cloudy | 10 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tetonia, ID
Last spring frost
Jun 15
First fall frost
Sep 7
Growing season
85 days
Hardiness zone
5a
Explore more for Tetonia, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Tetonia Exp Stn, Id (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.