Missoula, MT Weather & Growing Conditions
Today
43°F
Sunny
Sunny. High near 43, with temperatures falling to around 38 in the afternoon. North northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 43°F | Sunny | 1 mph NNE | 0% |
| Tonight | 29°F | Mostly Clear | 3 mph SW | 0% |
| Thursday | 39°F | Mostly Cloudy | 3 mph WSW | 5% |
| Thursday Night | 30°F | Partly Cloudy | 5 mph SW | 2% |
| Friday | 44°F | Mostly Sunny | 3 mph SSW | 0% |
| Friday Night | 36°F | Mostly Cloudy | 6 mph SW | 1% |
| Saturday | 50°F | Mostly Sunny | 0 to 3 mph SSE | 1% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph S | 2% |
| Sunday | 52°F | Mostly Sunny | 3 to 8 mph SW | 6% |
| Sunday Night | 36°F | Mostly Cloudy | 1 to 5 mph WSW | 12% |
| Monday | 48°F | Mostly Cloudy | 2 mph S | 10% |
| Monday Night | 37°F | Mostly Cloudy | 3 mph WSW | 8% |
| Tuesday | 51°F | Mostly Sunny | 2 mph SW | 17% |
| Tuesday Night | 39°F | Mostly Cloudy | 5 mph SSW | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Missoula, MT
Last spring frost
May 16
First fall frost
Sep 26
Growing season
130 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 Intl Ap, Mt (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.