Montpelier, ID Weather & Growing Conditions
Tonight
42°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a slight chance of showers and thunderstorms. Mostly cloudy. Low around 42, with temperatures rising to around 44 overnight. East southeast wind around 5 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Chance Showers And Thunderstorms | 5 mph ESE | 40% |
| Saturday | 50°F | Slight Chance Showers And Thunderstorms | 3 to 9 mph WNW | 44% |
| Saturday Night | 38°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph NNW | 15% |
| Sunday | 54°F | Mostly Sunny | 3 to 8 mph NNW | 1% |
| Sunday Night | 39°F | Mostly Clear | 3 to 8 mph NNE | 0% |
| Monday | 60°F | Sunny | 6 mph SSE | 0% |
| Monday Night | 43°F | Partly Cloudy | 5 mph NNE | 1% |
| Tuesday | 61°F | Mostly Sunny | 5 mph SE | 5% |
| Tuesday Night | 44°F | Slight Chance Showers And Thunderstorms then Slight Chance Light Rain | 3 mph ENE | 17% |
| Wednesday | 61°F | Sunny | 2 to 6 mph SSE | 7% |
| Wednesday Night | 43°F | Mostly Clear | 5 mph NNE | 5% |
| Thursday | 63°F | Sunny | 6 mph SE | 4% |
| Thursday Night | 45°F | Partly Cloudy | 5 mph ESE | 5% |
| Friday | 64°F | Mostly Sunny | 7 mph SSE | 7% |
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 Sep 19, 2026.