Missoula, MT Weather & Growing Conditions
This Afternoon
48°F
Partly Sunny
Partly sunny. High near 48, with temperatures falling to around 42 in the afternoon. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Partly Sunny | 0 mph | 0% |
| Tonight | 26°F | Mostly Cloudy then Patchy Fog | 0 mph | 0% |
| Wednesday | 50°F | Patchy Fog then Mostly Sunny | 0 mph | 0% |
| Wednesday Night | 25°F | Mostly Clear | 2 mph ESE | 0% |
| Thursday | 48°F | Partly Sunny | 2 mph WNW | 5% |
| Thursday Night | 27°F | Partly Cloudy | 2 mph WNW | 4% |
| Friday | 50°F | Partly Sunny | 2 mph WSW | 13% |
| Friday Night | 32°F | Mostly Cloudy | 0 to 6 mph SW | 13% |
| Saturday | 54°F | Mostly Sunny | 1 mph SSW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 7 mph ESE | 6% |
| Sunday | 59°F | Partly Sunny | 5 mph S | 12% |
| Sunday Night | 33°F | Mostly Cloudy | 2 mph WNW | 12% |
| Monday | 55°F | Mostly Cloudy | 1 mph NE | 8% |
| Monday Night | 33°F | Mostly Cloudy | 2 mph SSE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Missoula, MT
Last spring frost
May 10
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
5b
Explore more for Missoula, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Missoula 2 Ne, Mt (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.