Hilldale Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hilldale Colony, a community in Hill County, Montana.
This Afternoon
70°F
Partly Sunny
Partly sunny, with a high near 70. East wind around 8 mph.
7-day forecast for Hilldale Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Partly Sunny | 8 mph E | 1% |
| Tonight | 46°F | Mostly Cloudy | 8 mph ESE | 2% |
| Sunday | 71°F | Sunny | 6 to 10 mph ESE | 1% |
| Sunday Night | 47°F | Partly Cloudy | 7 to 13 mph ESE | 0% |
| Monday | 75°F | Mostly Sunny | 7 mph SE | 0% |
| Monday Night | 48°F | Mostly Clear | 5 to 14 mph SE | 0% |
| Tuesday | 78°F | Sunny | 6 mph S | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 6 mph SE | 0% |
| Wednesday | 79°F | Mostly Sunny | 5 mph SSW | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 6 mph SW | 8% |
| Thursday | 75°F | Mostly Sunny | 6 mph W | 3% |
| Thursday Night | 50°F | Partly Cloudy | 6 to 10 mph ENE | 10% |
| Friday | 74°F | Mostly Sunny | 9 mph ESE | 5% |
| Friday Night | 47°F | Mostly Cloudy then Slight Chance Light Rain | 12 mph NNE | 18% |
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 Sep 19, 2026.