Harman US

Muddy, MT Weather & Growing Conditions

Overnight
44°F
Mostly Clear
Mostly clear. Low around 44, with temperatures rising to around 47 overnight. South wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 44°F Mostly Clear 1 mph S 0%
Tuesday 73°F Sunny 1 to 6 mph NNW 0%
Tuesday Night 52°F Mostly Clear 6 mph E 4%
Wednesday 82°F Sunny 3 to 7 mph WSW 0%
Wednesday Night 57°F Mostly Clear 1 to 5 mph SW 0%
Thursday 90°F Sunny 2 to 7 mph W 0%
Thursday Night 61°F Mostly Clear 2 to 7 mph NE 0%
Friday 95°F Sunny 1 to 5 mph SSW 0%
Friday Night 65°F Mostly Clear 7 mph N 0%
Saturday 92°F Sunny 3 to 9 mph WNW 0%
Saturday Night 65°F Mostly Clear 3 to 7 mph ENE 0%
Sunday 91°F Mostly Sunny 3 to 8 mph N 0%
Sunday Night 65°F Partly Cloudy 3 to 7 mph ENE 7%
Monday 89°F Mostly Sunny 3 to 9 mph NE 3%

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 Aug 4, 2026.