Missoula, MT Weather & Growing Conditions
Today
76°F
Patchy Smoke
Patchy smoke before 4pm. Sunny, with a high near 76. Northeast wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Patchy Smoke | 2 to 6 mph NE | 0% |
| Tonight | 52°F | Mostly Clear | 1 to 6 mph E | 0% |
| Wednesday | 82°F | Sunny then Patchy Smoke | 3 mph WSW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 3 mph WSW | 0% |
| Thursday | 89°F | Sunny | 5 mph SSW | 0% |
| Thursday Night | 59°F | Mostly Clear | 6 mph SW | 0% |
| Friday | 91°F | Sunny | 2 to 6 mph SW | 0% |
| Friday Night | 60°F | Mostly Clear | 6 to 13 mph SW | 0% |
| Saturday | 89°F | Sunny | 3 to 7 mph SW | 0% |
| Saturday Night | 60°F | Mostly Clear | 2 to 10 mph WSW | 0% |
| Sunday | 86°F | Sunny | 2 to 6 mph WNW | 0% |
| Sunday Night | 58°F | Mostly Clear | 1 to 9 mph NNE | 0% |
| Monday | 85°F | Sunny | 0 to 5 mph N | 0% |
| Monday Night | 58°F | Mostly Clear | 2 to 6 mph NNE | 1% |
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 (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.