Harman US

Muddy, MT Weather & Growing Conditions

Tonight
32°F
Clear
Clear, with a low around 32. South wind 0 to 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 32°F Clear 0 to 7 mph S 0%
Wednesday 50°F Mostly Sunny 0 to 7 mph NNW 0%
Wednesday Night 32°F Patchy Fog 0 to 5 mph W 0%
Thursday 55°F Mostly Sunny 3 mph WSW 0%
Thursday Night 36°F Partly Cloudy 3 mph WNW 1%
Friday 53°F Sunny 5 mph WSW 2%
Friday Night 39°F Partly Cloudy 5 mph WSW 7%
Saturday 56°F Sunny 1 to 7 mph W 2%
Saturday Night 39°F Mostly Clear 1 to 5 mph SSW 0%
Sunday 65°F Mostly Sunny 0 to 5 mph WSW 0%
Sunday Night 42°F Partly Cloudy 2 mph WNW 0%
Monday 56°F Mostly Sunny 3 mph NW 2%
Monday Night 40°F Partly Cloudy 2 mph SSE 2%
Tuesday 60°F Mostly Sunny 5 mph W 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Muddy, MT

Last spring frost
May 23
First fall frost
Sep 15
Growing season
113 days
Hardiness zone
5a

Explore more for Muddy, MT: full frost dates · planting calendar · Montana frost dates

Climate data from the nearest NOAA station, Busby, Mt (13.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.