Cascade Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cascade Colony, a community in Cascade County, Montana.
Today
75°F
Sunny
Sunny, with a high near 75. South wind 2 to 7 mph.
7-day forecast for Cascade Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 2 to 7 mph S | 0% |
| Tonight | 50°F | Mostly Clear | 5 to 9 mph SE | 1% |
| Wednesday | 84°F | Sunny | 5 to 8 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 8 mph W | 0% |
| Thursday | 90°F | Sunny | 9 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 7 to 10 mph WNW | 0% |
| Friday | 95°F | Sunny | 5 to 20 mph W | 0% |
| Friday Night | 59°F | Mostly Clear | 9 to 20 mph W | 0% |
| Saturday | 92°F | Sunny | 5 to 13 mph WSW | 0% |
| Saturday Night | 59°F | Mostly Clear | 7 to 15 mph WNW | 1% |
| Sunday | 87°F | Sunny | 5 to 9 mph NW | 0% |
| Sunday Night | 58°F | Partly Cloudy | 7 to 13 mph N | 1% |
| Monday | 84°F | Sunny | 5 to 8 mph N | 4% |
| Monday Night | 57°F | Mostly Clear | 7 to 12 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov) for Cascade Colony (47.441, -111.818). Updated through the day.
Growing snapshot for Cascade Colony
Last spring frost
Jun 2
First fall frost
Sep 10
Growing season
96 days
Hardiness zone
4a
More local growing data for Cascade Colony: nearby ZIP 59483 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Sun Rvr 4 S, Mt (0.9 mi from Cascade Colony). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.