Tetonia, ID Weather & Growing Conditions
Tonight
37°F
Scattered Rain Showers
Scattered rain showers before 5am. Mostly cloudy. Low around 37, with temperatures rising to around 41 overnight. East northeast wind around 1 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Scattered Rain Showers | 1 mph ENE | 35% |
| Sunday | 63°F | Mostly Sunny | 0 to 5 mph W | 7% |
| Sunday Night | 35°F | Mostly Clear | 3 mph ESE | 2% |
| Monday | 70°F | Sunny | 1 to 5 mph WSW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph NNE | 0% |
| Tuesday | 73°F | Mostly Sunny | 1 to 7 mph SSW | 1% |
| Tuesday Night | 44°F | Slight Chance Showers And Thunderstorms then Chance Light Rain | 5 mph SSE | 27% |
| Wednesday | 71°F | Mostly Sunny | 3 to 7 mph S | 14% |
| Wednesday Night | 42°F | Mostly Clear | 3 to 7 mph S | 4% |
| Thursday | 75°F | Sunny | 3 to 8 mph S | 3% |
| Thursday Night | 44°F | Mostly Clear | 3 to 7 mph SSW | 1% |
| Friday | 76°F | Mostly Sunny | 9 mph SSE | 4% |
| Friday Night | 45°F | Partly Cloudy | 8 mph SSE | 12% |
| Saturday | 72°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 10 mph S | 17% |
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 Sep 20, 2026.