Cascade Colony, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cascade Colony, a community in Cascade County, Montana.
This Afternoon
51°F
Mostly Sunny
Mostly sunny. High near 51, with temperatures falling to around 45 in the afternoon. South southwest wind 8 to 16 mph, with gusts as high as 23 mph.
7-day forecast for Cascade Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Mostly Sunny | 8 to 16 mph SSW | 0% |
| Tonight | 29°F | Mostly Cloudy | 7 mph SW | 0% |
| Wednesday | 48°F | Mostly Sunny | 1 to 5 mph WNW | 0% |
| Wednesday Night | 31°F | Mostly Clear | 3 to 14 mph SSW | 0% |
| Thursday | 52°F | Mostly Sunny | 14 to 20 mph SW | 0% |
| Thursday Night | 34°F | Partly Cloudy | 14 to 18 mph SW | 0% |
| Friday | 51°F | Mostly Sunny | 18 to 28 mph SW | 1% |
| Friday Night | 37°F | Partly Cloudy | 18 to 26 mph SW | 1% |
| Saturday | 53°F | Mostly Sunny | 9 to 18 mph SW | 0% |
| Saturday Night | 39°F | Partly Cloudy | 9 to 17 mph SSW | 0% |
| Sunday | 58°F | Partly Sunny | 14 to 22 mph SW | 0% |
| Sunday Night | 38°F | Mostly Cloudy | 8 to 14 mph SW | 1% |
| Monday | 53°F | Partly Sunny | 8 mph SSW | 1% |
| Monday Night | 39°F | Mostly Cloudy | 7 to 12 mph SSW | 1% |
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 Nov 4, 2026.