Montpelier, ID Weather & Growing Conditions
Overnight
39°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms. Mostly cloudy. Low around 39, with temperatures rising to around 41 overnight. North northeast wind around 1 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Chance Showers And Thunderstorms | 1 mph NNE | 31% |
| Saturday | 58°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 8 mph NW | 43% |
| Saturday Night | 33°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 6 mph NNW | 19% |
| Sunday | 61°F | Mostly Sunny | 1 to 7 mph NNW | 3% |
| Sunday Night | 34°F | Mostly Clear | 2 to 7 mph NNE | 0% |
| Monday | 67°F | Sunny | 5 mph SSE | 0% |
| Monday Night | 39°F | Partly Cloudy | 3 mph NE | 1% |
| Tuesday | 68°F | Mostly Sunny | 5 mph SSE | 5% |
| Tuesday Night | 40°F | Slight Chance Showers And Thunderstorms then Slight Chance Light Rain | 3 mph ENE | 18% |
| Wednesday | 69°F | Sunny | 1 to 6 mph S | 8% |
| Wednesday Night | 39°F | Mostly Clear | 5 mph NNE | 5% |
| Thursday | 71°F | Sunny | 2 to 6 mph SSE | 5% |
| Thursday Night | 41°F | Partly Cloudy | 1 to 5 mph ESE | 6% |
| Friday | 71°F | Mostly Sunny | 2 to 7 mph SSE | 6% |
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
5b
Explore more for Montpelier, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Bern, Id (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.