Hartland Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartland Colony, a community in Hill County, Montana.
Today
75°F
Sunny
Sunny, with a high near 75. West wind 3 to 13 mph, with gusts as high as 20 mph.
7-day forecast for Hartland Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 3 to 13 mph W | 1% |
| Tonight | 46°F | Partly Cloudy | 2 to 12 mph W | 1% |
| Wednesday | 82°F | Partly Sunny | 2 to 13 mph W | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 2 to 14 mph NNE | 0% |
| Thursday | 87°F | Sunny | 2 to 13 mph N | 0% |
| Thursday Night | 51°F | Mostly Clear | 9 to 15 mph NE | 0% |
| Friday | 90°F | Sunny | 8 to 13 mph ESE | 0% |
| Friday Night | 54°F | Mostly Clear | 9 to 14 mph NE | 0% |
| Saturday | 87°F | Sunny | 9 to 13 mph ENE | 0% |
| Saturday Night | 54°F | Partly Cloudy | 8 to 14 mph NE | 4% |
| Sunday | 84°F | Mostly Sunny | 13 mph NNE | 3% |
| Sunday Night | 53°F | Partly Cloudy | 12 to 15 mph NE | 12% |
| Monday | 82°F | Mostly Sunny | 12 mph ENE | 14% |
| Monday Night | 53°F | Partly Cloudy then Slight Chance Rain Showers | 14 mph ENE | 18% |
Forecast source: National Weather Service (api.weather.gov) for Hartland Colony (48.952, -109.448). Updated through the day.
Growing snapshot for Hartland Colony
Last spring frost
May 15
First fall frost
Sep 23
Growing season
129 days
Hardiness zone
3b
More local growing data for Hartland Colony: nearby ZIP 59501 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Azure
Beaver Creek
Big Sandy
Boneau
Box Elder
East End Colony
Gildford
Gildford Colony
Havre
Havre North
Herron
Hilldale Colony
Hingham
Inverness
Joplin
Kremlin
Laredo
Parker School
Rocky Boy West
Rocky Boy's Agency
Rudyard
Saddle Butte
Sangrey
St. Pierre
West Havre
Climate data from the nearest NOAA station, Havre City Co Ap, Mt (10.2 mi from Hartland Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.