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
48°F
Mostly Sunny
Mostly sunny. High near 48, with temperatures falling to around 43 in the afternoon. South wind 7 to 13 mph, with gusts as high as 20 mph.
7-day forecast for Hillside Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Mostly Sunny | 7 to 13 mph S | 0% |
| Tonight | 30°F | Mostly Cloudy | 7 mph WSW | 0% |
| Wednesday | 47°F | Mostly Sunny | 3 to 7 mph NW | 0% |
| Wednesday Night | 30°F | Mostly Clear | 3 to 13 mph S | 0% |
| Thursday | 52°F | Mostly Sunny | 12 to 20 mph SW | 0% |
| Thursday Night | 34°F | Partly Cloudy | 13 to 16 mph WSW | 0% |
| Friday | 51°F | Mostly Sunny | 13 to 24 mph SW | 4% |
| Friday Night | 35°F | Partly Cloudy | 16 to 24 mph WSW | 4% |
| Saturday | 51°F | Mostly Sunny | 9 to 16 mph WSW | 1% |
| Saturday Night | 37°F | Mostly Cloudy | 9 to 15 mph SW | 0% |
| Sunday | 58°F | Partly Sunny | 15 to 22 mph SW | 1% |
| Sunday Night | 37°F | Mostly Cloudy | 9 to 18 mph WSW | 2% |
| Monday | 51°F | Partly Sunny | 9 to 13 mph SW | 2% |
| Monday Night | 37°F | Mostly Cloudy | 14 mph SSW | 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 Nov 4, 2026.