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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

WhenTempForecastWindPrecip
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.