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Musselshell, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Musselshell, a community in Musselshell County, Montana.

This Afternoon
54°F
Sunny
Sunny. High near 54, with temperatures falling to around 48 in the afternoon. South southwest wind around 8 mph.

7-day forecast for Musselshell

WhenTempForecastWindPrecip
This Afternoon 54°F Sunny 8 mph SSW 0%
Tonight 31°F Patchy Fog 5 mph SSW 0%
Wednesday 52°F Patchy Fog then Mostly Sunny 5 mph WNW 0%
Wednesday Night 31°F Patchy Fog 1 to 6 mph S 0%
Thursday 58°F Patchy Fog then Sunny 2 to 12 mph WSW 0%
Thursday Night 34°F Partly Cloudy 0 to 5 mph WSW 3%
Friday 56°F Sunny 5 to 14 mph SW 4%
Friday Night 39°F Partly Cloudy 8 to 12 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 18 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 2 to 6 mph SSW 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

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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 Nov 4, 2026.