Hillside Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillside Colony, a community in Toole County, Montana.
This Afternoon
68°F
Mostly Sunny
Mostly sunny, with a high near 68. North northeast wind around 8 mph.
7-day forecast for Hillside Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Sunny | 8 mph NNE | 0% |
| Tonight | 48°F | Mostly Cloudy | 3 to 8 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 3 to 10 mph NE | 0% |
| Saturday Night | 47°F | Partly Cloudy | 13 mph SSE | 0% |
| Sunday | 72°F | Sunny | 12 to 15 mph S | 0% |
| Sunday Night | 49°F | Mostly Clear | 12 to 16 mph S | 0% |
| Monday | 75°F | Sunny | 14 mph S | 0% |
| Monday Night | 50°F | Mostly Clear | 12 mph SW | 0% |
| Tuesday | 71°F | Mostly Sunny | 9 mph WNW | 0% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 9 mph S | 0% |
| Wednesday | 72°F | Sunny | 9 to 13 mph SW | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 10 mph SW | 2% |
| Thursday | 71°F | Mostly Sunny | 10 mph SSW | 3% |
| Thursday Night | 50°F | Partly Cloudy | 12 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Hillside Colony (48.979, -112.070). Updated through the day.
Growing snapshot for Hillside Colony
Last spring frost
May 17
First fall frost
Sep 25
Growing season
129 days
Hardiness zone
4a
More local growing data for Hillside Colony: nearby ZIP 59454 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Sunburst 8 E, Mt (14.3 mi from Hillside Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.