Musselshell, MT Weather & Growing Conditions
Tonight
31°F
Patchy Fog
Patchy fog after 11pm. Mostly clear, with a low around 31. South southwest wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 31°F | Patchy Fog | 1 to 6 mph SSW | 0% |
| Wednesday | 51°F | Patchy Fog then Sunny | 1 to 6 mph WNW | 0% |
| Wednesday Night | 31°F | Patchy Fog | 0 to 6 mph SW | 0% |
| Thursday | 58°F | Patchy Fog then Sunny | 2 to 10 mph WSW | 0% |
| Thursday Night | 34°F | Partly Cloudy | 3 mph WSW | 3% |
| Friday | 56°F | Sunny | 3 to 14 mph SW | 4% |
| Friday Night | 39°F | Partly Cloudy | 8 to 13 mph WSW | 4% |
| Saturday | 60°F | Sunny | 5 to 12 mph SW | 0% |
| Saturday Night | 38°F | Mostly Clear | 5 to 13 mph SW | 0% |
| Sunday | 65°F | Mostly Sunny | 8 to 17 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 3 to 8 mph WSW | 0% |
| Monday | 58°F | Mostly Sunny | 6 mph SW | 1% |
| Monday Night | 37°F | Mostly Cloudy | 6 mph S | 1% |
| Tuesday | 61°F | Mostly Sunny | 6 to 10 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Musselshell, MT
Last spring frost
May 10
First fall frost
Sep 29
Growing season
141 days
Hardiness zone
4b
Explore more for Musselshell, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Melstone, Mt (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.