Missoula, MT Weather & Growing Conditions
This Afternoon
45°F
Mostly Cloudy
Mostly cloudy. High near 45, with temperatures falling to around 39 in the afternoon. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 45°F | Mostly Cloudy | 1 mph E | 0% |
| Tonight | 30°F | Mostly Cloudy | 1 mph NE | 0% |
| Wednesday | 46°F | Mostly Sunny | 1 mph WSW | 0% |
| Wednesday Night | 30°F | Mostly Clear | 3 mph SE | 0% |
| Thursday | 42°F | Partly Sunny | 5 mph SW | 8% |
| Thursday Night | 31°F | Partly Cloudy | 6 mph WSW | 2% |
| Friday | 46°F | Mostly Sunny | 6 mph SW | 4% |
| Friday Night | 36°F | Mostly Cloudy | 7 mph SW | 4% |
| Saturday | 53°F | Mostly Sunny | 1 to 5 mph SSE | 2% |
| Saturday Night | 37°F | Partly Cloudy | 1 to 8 mph SE | 10% |
| Sunday | 54°F | Partly Sunny | 6 to 9 mph SSW | 10% |
| Sunday Night | 36°F | Mostly Cloudy | 2 to 6 mph SW | 9% |
| Monday | 50°F | Partly Sunny | 2 mph S | 13% |
| Monday Night | 37°F | Mostly Cloudy | 3 mph SW | 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 (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.