Montpelier, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Montpelier, a city in Bear Lake County, Idaho.
This Afternoon
48°F
Mostly Sunny
Mostly sunny. High near 48, with temperatures falling to around 43 in the afternoon. South wind around 5 mph.
7-day forecast for Montpelier
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Mostly Sunny | 5 mph S | 0% |
| Tonight | 25°F | Mostly Cloudy then Areas Of Fog | 1 to 6 mph ESE | 2% |
| Wednesday | 51°F | Patchy Fog then Mostly Cloudy | 3 mph NW | 3% |
| Wednesday Night | 22°F | Mostly Clear then Areas Of Fog | 0 to 3 mph NNW | 0% |
| Thursday | 48°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph SSW | 14% |
| Thursday Night | 23°F | Areas Of Fog | 1 to 5 mph NW | 14% |
| Friday | 49°F | Mostly Sunny | 3 mph NW | 2% |
| Friday Night | 23°F | Partly Cloudy | 3 mph N | 2% |
| Saturday | 53°F | Sunny | 2 mph NNE | 0% |
| Saturday Night | 26°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 58°F | Sunny | 3 mph SSW | 0% |
| Sunday Night | 29°F | Partly Cloudy | 2 mph SE | 1% |
| Monday | 58°F | Mostly Sunny | 2 mph SE | 1% |
| Monday Night | 30°F | Partly Cloudy | 2 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Montpelier (42.326, -111.299). Updated through the day.
Growing snapshot for Montpelier
Last spring frost
Jun 17
First fall frost
Sep 3
Growing season
77 days
Hardiness zone
5a
More local growing data for Montpelier: nearby ZIP 83254 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bern, Id (7.5 mi from Montpelier). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.