Missoula, MT Weather & Growing Conditions
Today
63°F
Chance Light Rain then Mostly Sunny
A chance of rain before noon. Mostly sunny, with a high near 63. East wind around 3 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Chance Light Rain then Mostly Sunny | 3 mph E | 31% |
| Tonight | 47°F | Partly Cloudy | 3 mph SSE | 4% |
| Sunday | 68°F | Sunny | 2 mph ESE | 0% |
| Sunday Night | 48°F | Clear | 2 mph S | 0% |
| Monday | 71°F | Sunny | 2 mph SSE | 0% |
| Monday Night | 49°F | Mostly Clear | 3 mph WSW | 0% |
| Tuesday | 70°F | Sunny | 2 mph SE | 0% |
| Tuesday Night | 50°F | Mostly Clear | 2 mph SW | 3% |
| Wednesday | 70°F | Sunny | 3 mph S | 1% |
| Wednesday Night | 50°F | Mostly Clear | 3 mph SW | 3% |
| Thursday | 69°F | Sunny | 2 mph SE | 2% |
| Thursday Night | 50°F | Partly Cloudy | 2 mph SW | 7% |
| Friday | 67°F | Mostly Sunny | 3 mph SSE | 9% |
| Friday Night | 46°F | Slight Chance Light Rain | 3 mph W | 21% |
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 Sep 19, 2026.