Missoula, MT Weather & Growing Conditions
Today
66°F
Chance Light Rain
A chance of rain before 3pm. Partly sunny, with a high near 66. East wind around 3 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Chance Light Rain | 3 mph E | 44% |
| Tonight | 47°F | Mostly Clear | 3 mph SE | 4% |
| Sunday | 71°F | Sunny | 3 mph SSW | 0% |
| Sunday Night | 48°F | Clear | 3 mph SE | 0% |
| Monday | 74°F | Sunny | 5 mph S | 0% |
| Monday Night | 50°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 73°F | Sunny | 3 mph S | 0% |
| Tuesday Night | 51°F | Mostly Clear | 1 to 5 mph S | 2% |
| Wednesday | 74°F | Sunny | 5 mph S | 1% |
| Wednesday Night | 50°F | Mostly Clear | 3 mph SW | 3% |
| Thursday | 74°F | Sunny | 3 mph SSW | 3% |
| Thursday Night | 50°F | Partly Cloudy | 1 to 5 mph E | 6% |
| Friday | 71°F | Mostly Sunny | 5 mph SSE | 6% |
| Friday Night | 48°F | Slight Chance Light Rain then Mostly Cloudy | 5 mph NW | 19% |
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 Sep 19, 2026.