Missoula, MT Weather & Growing Conditions
This Afternoon
70°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 70. West northwest wind around 7 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Slight Chance Showers And Thunderstorms | 7 mph WNW | 22% |
| Tonight | 49°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 3 mph NE | 71% |
| Saturday | 67°F | Chance Rain Showers | 0 to 3 mph SE | 34% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph E | 3% |
| Sunday | 72°F | Sunny | 3 mph SSE | 0% |
| Sunday Night | 48°F | Clear | 3 mph E | 0% |
| Monday | 75°F | Sunny | 3 mph SSE | 0% |
| Monday Night | 49°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 74°F | Sunny | 2 mph SSW | 0% |
| Tuesday Night | 48°F | Mostly Clear | 2 mph SSE | 1% |
| Wednesday | 72°F | Sunny | 3 mph S | 2% |
| Wednesday Night | 49°F | Mostly Clear | 2 mph NE | 2% |
| Thursday | 76°F | Sunny | 3 mph SE | 1% |
| Thursday Night | 50°F | Partly Cloudy | 1 to 6 mph ENE | 2% |
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 (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.