Hilldale Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hilldale Colony, a community in Hill County, Montana.
Overnight
28°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 28. Northwest wind around 2 mph.
7-day forecast for Hilldale Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 28°F | Patchy Fog | 2 mph NW | 0% |
| Wednesday | 43°F | Patchy Fog then Mostly Sunny | 1 to 5 mph WNW | 0% |
| Wednesday Night | 27°F | Partly Cloudy | 2 mph SE | 0% |
| Thursday | 49°F | Mostly Sunny | 2 to 14 mph WSW | 0% |
| Thursday Night | 32°F | Partly Cloudy | 9 to 14 mph WSW | 1% |
| Friday | 51°F | Sunny | 9 to 16 mph SW | 0% |
| Friday Night | 36°F | Partly Cloudy | 13 to 16 mph WSW | 0% |
| Saturday | 55°F | Mostly Sunny | 5 to 13 mph SW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 6 mph S | 0% |
| Sunday | 60°F | Partly Sunny | 5 to 21 mph WSW | 1% |
| Sunday Night | 36°F | Partly Cloudy | 9 to 21 mph W | 1% |
| Monday | 52°F | Mostly Sunny | 6 to 9 mph WSW | 2% |
| Monday Night | 34°F | Mostly Cloudy | 7 mph SSW | 2% |
| Tuesday | 57°F | Mostly Sunny | 7 to 13 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Hilldale Colony (48.804, -109.783). Updated through the day.
Growing snapshot for Hilldale Colony
Last spring frost
May 15
First fall frost
Sep 23
Growing season
129 days
Hardiness zone
3b
More local growing data for Hilldale Colony: nearby ZIP 59501 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Havre City Co Ap, Mt (10.2 mi from Hilldale Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.