Missoula, MT Weather & Growing Conditions
Today
73°F
Chance Light Rain
A chance of rain and patchy fog before 3pm. Partly sunny, with a high near 73. East southeast wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Chance Light Rain | 2 mph ESE | 42% |
| Tonight | 46°F | Partly Cloudy | 3 mph SE | 4% |
| Sunday | 78°F | Sunny | 2 mph S | 0% |
| Sunday Night | 47°F | Clear | 0 to 3 mph E | 0% |
| Monday | 81°F | Sunny | 3 mph SSE | 0% |
| Monday Night | 49°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 80°F | Sunny | 2 mph S | 0% |
| Tuesday Night | 50°F | Mostly Clear | 2 mph ENE | 2% |
| Wednesday | 81°F | Sunny | 2 mph S | 1% |
| Wednesday Night | 49°F | Mostly Clear | 2 mph SW | 3% |
| Thursday | 80°F | Sunny | 2 mph S | 2% |
| Thursday Night | 49°F | Partly Cloudy | 1 to 5 mph E | 7% |
| Friday | 78°F | Mostly Sunny | 5 mph SSE | 7% |
| Friday Night | 47°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph NW | 20% |
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 (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.