Missoula, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Missoula, a city in Missoula County, Montana.
This Afternoon
47°F
Mostly Cloudy
Mostly cloudy. High near 47, with temperatures falling to around 42 in the afternoon. Wind around 0 mph.
7-day forecast for Missoula
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Mostly Cloudy | 0 mph | 0% |
| Tonight | 26°F | Mostly Cloudy | 0 mph | 0% |
| Wednesday | 49°F | Mostly Sunny | 0 mph | 0% |
| Wednesday Night | 26°F | Mostly Clear | 1 mph SSE | 0% |
| Thursday | 45°F | Partly Sunny | 1 mph NW | 9% |
| Thursday Night | 27°F | Partly Cloudy | 1 mph WNW | 1% |
| Friday | 50°F | Partly Sunny | 2 mph SW | 3% |
| Friday Night | 33°F | Mostly Cloudy | 0 to 3 mph SSW | 3% |
| Saturday | 57°F | Partly Sunny | 1 mph SSE | 2% |
| Saturday Night | 34°F | Mostly Cloudy | 1 to 8 mph SE | 12% |
| Sunday | 58°F | Partly Sunny | 5 to 9 mph SW | 12% |
| Sunday Night | 33°F | Mostly Cloudy | 0 to 5 mph W | 9% |
| Monday | 53°F | Partly Sunny | 0 mph | 13% |
| Monday Night | 34°F | Mostly Cloudy | 0 mph | 13% |
Forecast source: National Weather Service (api.weather.gov) for Missoula (46.874, -114.026). Updated through the day.
Growing snapshot for Missoula
Last spring frost
May 10
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
5b
More local growing data for Missoula: nearby ZIP 59801 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Alberton
Arlee
Bonner-West Riverside
Condon
Cyr
East Missoula
Evaro
Frenchtown
Huson
Lolo
Orchard Homes
Piltzville
Potomac
Seeley Lake
Turah
Twin Creeks
Wye
Climate data from the nearest NOAA station, Missoula 2 Ne, Mt (3.6 mi from Missoula). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.