Harman US

Hilldale Colony, MT Weather & Growing Conditions

Tonight
28°F
Patchy Fog
Patchy fog after 9pm. Mostly cloudy, with a low around 28. North northwest wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 28°F Patchy Fog 0 to 5 mph NNW 0%
Wednesday 41°F Patchy Fog 2 to 7 mph WSW 0%
Wednesday Night 27°F Areas Of Fog 2 mph S 0%
Thursday 48°F Areas Of Fog then Mostly Sunny 2 to 12 mph SW 0%
Thursday Night 32°F Partly Cloudy 9 to 13 mph WSW 0%
Friday 51°F Sunny 13 to 20 mph SW 6%
Friday Night 35°F Partly Cloudy 16 to 20 mph WSW 7%
Saturday 51°F Sunny 7 to 17 mph WSW 0%
Saturday Night 33°F Partly Cloudy 7 mph SW 0%
Sunday 59°F Mostly Sunny 5 to 16 mph SW 1%
Sunday Night 36°F Mostly Cloudy 9 to 17 mph WSW 3%
Monday 53°F Mostly Sunny 9 mph WSW 3%
Monday Night 35°F Mostly Cloudy 6 to 9 mph S 2%
Tuesday 56°F Mostly Sunny 9 to 14 mph SW 1%

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

Growing snapshot for Hilldale Colony, MT

Last spring frost
May 15
First fall frost
Sep 23
Growing season
129 days
Hardiness zone
3b

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

Climate data from the nearest NOAA station, Havre City Co Ap, Mt (10.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.