Montpelier, ID Weather & Growing Conditions
This Afternoon
39°F
Mostly Sunny
Mostly sunny. High near 39, with temperatures falling to around 35 in the afternoon. South wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 39°F | Mostly Sunny | 3 to 7 mph S | 0% |
| Tonight | 28°F | Mostly Cloudy | 3 to 7 mph ESE | 1% |
| Wednesday | 41°F | Mostly Cloudy | 2 to 6 mph WNW | 3% |
| Wednesday Night | 25°F | Mostly Clear | 2 to 6 mph NNE | 0% |
| Thursday | 39°F | Mostly Sunny | 5 mph SSW | 13% |
| Thursday Night | 26°F | Mostly Cloudy | 6 mph NW | 13% |
| Friday | 39°F | Mostly Sunny | 3 to 7 mph NW | 2% |
| Friday Night | 26°F | Partly Cloudy | 5 mph N | 3% |
| Saturday | 43°F | Sunny | 3 mph NW | 0% |
| Saturday Night | 29°F | Mostly Clear | 3 mph ENE | 0% |
| Sunday | 47°F | Sunny | 1 to 5 mph S | 0% |
| Sunday Night | 32°F | Partly Cloudy | 3 mph E | 1% |
| Monday | 47°F | Mostly Sunny | 1 to 5 mph SSE | 1% |
| Monday Night | 33°F | Partly Cloudy | 2 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Montpelier, ID
Last spring frost
Jun 17
First fall frost
Sep 3
Growing season
77 days
Hardiness zone
5a
Explore more for Montpelier, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Bern, Id (7.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.