Hartland Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartland 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 Hartland Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Partly Sunny | 8 mph E | 0% |
| Tonight | 46°F | Mostly Cloudy | 7 mph E | 2% |
| Sunday | 70°F | Sunny | 6 to 12 mph SE | 1% |
| Sunday Night | 47°F | Partly Cloudy | 9 to 13 mph SE | 0% |
| Monday | 74°F | Mostly Sunny | 9 to 13 mph SE | 0% |
| Monday Night | 49°F | Mostly Clear | 7 to 15 mph SE | 0% |
| Tuesday | 77°F | Sunny | 6 mph SSE | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 5 mph SE | 0% |
| Wednesday | 78°F | Mostly Sunny | 6 mph S | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph SSW | 6% |
| Thursday | 76°F | Mostly Sunny | 6 mph W | 3% |
| Thursday Night | 50°F | Partly Cloudy | 5 to 10 mph ENE | 11% |
| Friday | 74°F | Mostly Sunny | 8 to 12 mph ESE | 6% |
| Friday Night | 47°F | Slight Chance Light Rain | 12 mph E | 17% |
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 Sep 19, 2026.