Harman US

Miller Colony, MT Weather & Growing Conditions

Today
48°F
Mostly Sunny
Mostly sunny. High near 48, with temperatures falling to around 42 in the afternoon. North wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 48°F Mostly Sunny 2 mph N 0%
Tonight 30°F Mostly Clear 2 to 8 mph SW 0%
Thursday 47°F Partly Sunny 10 mph WSW 0%
Thursday Night 32°F Partly Cloudy 9 to 14 mph WSW 0%
Friday 49°F Mostly Sunny 14 mph WSW 1%
Friday Night 38°F Mostly Cloudy 8 to 21 mph WSW 1%
Saturday 56°F Mostly Sunny 3 to 8 mph WSW 1%
Saturday Night 39°F Mostly Cloudy 3 to 8 mph SW 0%
Sunday 57°F Partly Sunny 8 to 16 mph WSW 4%
Sunday Night 35°F Mostly Cloudy 3 to 10 mph W 4%
Monday 51°F Partly Sunny 5 mph SW 2%
Monday Night 36°F Mostly Cloudy 2 to 6 mph WSW 1%
Tuesday 53°F Partly Sunny 5 to 9 mph WSW 5%
Tuesday Night 38°F Mostly Cloudy 5 to 9 mph WSW 5%

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

Growing snapshot for Miller Colony, MT

Last spring frost
May 16
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
4b

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

Climate data from the nearest NOAA station, Bynum 4 Sse, Mt (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.