North Harlem Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Harlem Colony, a community in Blaine County, Montana.
Overnight
31°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 31. North northeast wind around 2 mph.
7-day forecast for North Harlem Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 31°F | Patchy Fog | 2 mph NNE | 0% |
| Wednesday | 46°F | Patchy Fog then Sunny | 2 to 8 mph NW | 0% |
| Wednesday Night | 29°F | Partly Cloudy | 2 to 6 mph ENE | 0% |
| Thursday | 50°F | Mostly Sunny | 3 to 7 mph SSW | 0% |
| Thursday Night | 34°F | Partly Cloudy | 7 to 12 mph W | 0% |
| Friday | 54°F | Sunny | 5 to 10 mph WSW | 0% |
| Friday Night | 37°F | Partly Cloudy | 7 to 16 mph WSW | 0% |
| Saturday | 57°F | Sunny | 3 to 16 mph SW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 6 mph SSE | 0% |
| Sunday | 63°F | Partly Sunny | 3 to 15 mph SW | 0% |
| Sunday Night | 37°F | Partly Cloudy | 10 to 21 mph W | 0% |
| Monday | 53°F | Mostly Sunny | 5 to 10 mph W | 1% |
| Monday Night | 34°F | Partly Cloudy | 5 mph SSE | 1% |
| Tuesday | 58°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for North Harlem Colony (48.584, -108.756). Updated through the day.
Growing snapshot for North Harlem Colony
Last spring frost
May 16
First fall frost
Sep 22
Growing season
128 days
Hardiness zone
4a
More local growing data for North Harlem Colony: nearby ZIP 59526 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ft Belknap 2 Sw, Mt (3.6 mi from North Harlem Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.