Missoula, MT Weather & Growing Conditions
Today
83°F
Patchy Smoke
Patchy smoke before 3pm. Sunny, with a high near 83. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Patchy Smoke | 0 to 5 mph N | 0% |
| Tonight | 48°F | Mostly Clear | 0 to 6 mph SW | 0% |
| Wednesday | 89°F | Sunny | 2 mph WSW | 0% |
| Wednesday Night | 50°F | Mostly Clear | 3 mph SW | 0% |
| Thursday | 97°F | Sunny | 2 mph SSW | 0% |
| Thursday Night | 54°F | Mostly Clear | 5 mph SW | 0% |
| Friday | 99°F | Sunny | 0 to 5 mph WNW | 0% |
| Friday Night | 55°F | Mostly Clear | 2 to 14 mph WSW | 0% |
| Saturday | 95°F | Sunny | 1 to 7 mph SW | 0% |
| Saturday Night | 54°F | Mostly Clear | 0 to 10 mph WNW | 0% |
| Sunday | 93°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 9 mph NNW | 0% |
| Monday | 91°F | Sunny | 0 to 3 mph NNW | 0% |
| Monday Night | 53°F | Mostly Clear | 0 to 6 mph NNW | 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 (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.