Musselshell, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Musselshell, a community in Musselshell County, Montana.
This Afternoon
77°F
Mostly Sunny
Mostly sunny, with a high near 77. North northeast wind around 10 mph.
7-day forecast for Musselshell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Mostly Sunny | 10 mph NNE | 6% |
| Tonight | 53°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 87% |
| Saturday | 60°F | Showers And Thunderstorms | 9 to 13 mph NNE | 96% |
| Saturday Night | 50°F | Showers And Thunderstorms | 10 mph NNE | 91% |
| Sunday | 62°F | Rain Showers | 8 mph NNE | 84% |
| Sunday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 6 mph E | 18% |
| Monday | 72°F | Partly Sunny | 2 to 8 mph S | 0% |
| Monday Night | 48°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Tuesday | 79°F | Mostly Sunny | 5 mph SW | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 3 mph SSE | 1% |
| Wednesday | 79°F | Sunny | 2 to 6 mph SW | 4% |
| Wednesday Night | 51°F | Mostly Clear | 3 mph S | 2% |
| Thursday | 80°F | Sunny | 6 mph S | 1% |
| Thursday Night | 51°F | Mostly Clear | 5 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Musselshell (46.494, -108.096). Updated through the day.
Growing snapshot for Musselshell
Last spring frost
May 10
First fall frost
Sep 29
Growing season
141 days
Hardiness zone
4b
More local growing data for Musselshell: nearby ZIP 59059 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Melstone, Mt (11.5 mi from Musselshell). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.