Hillside Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillside Colony, a community in Toole County, Montana.
Today
75°F
Sunny
Sunny, with a high near 75. West southwest wind around 6 mph.
7-day forecast for Hillside Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 6 mph WSW | 1% |
| Tonight | 50°F | Mostly Clear | 3 to 12 mph SW | 0% |
| Wednesday | 80°F | Mostly Sunny | 7 to 10 mph WNW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 7 to 10 mph SSW | 0% |
| Thursday | 85°F | Sunny | 9 to 13 mph NW | 0% |
| Thursday Night | 53°F | Mostly Clear | 5 to 13 mph NNE | 0% |
| Friday | 90°F | Sunny | 3 to 20 mph W | 1% |
| Friday Night | 54°F | Mostly Clear | 15 mph NNW | 1% |
| Saturday | 86°F | Sunny | 8 to 12 mph NW | 1% |
| Saturday Night | 54°F | Partly Cloudy | 12 mph N | 2% |
| Sunday | 80°F | Mostly Sunny | 9 to 13 mph N | 1% |
| Sunday Night | 53°F | Slight Chance Rain Showers | 12 mph NNE | 16% |
| Monday | 78°F | Mostly Sunny | 10 mph NNE | 14% |
| Monday Night | 52°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 8 to 12 mph NE | 23% |
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 Aug 4, 2026.