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
65°F
Mostly Cloudy
Mostly cloudy, with a high near 65. East northeast wind 5 to 8 mph. Chance of precipitation is 20%.
7-day forecast for Cascade Colony
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Mostly Cloudy | 5 to 8 mph ENE | 15% |
| Tonight | 47°F | Mostly Cloudy | 3 to 7 mph S | 3% |
| Sunday | 72°F | Mostly Sunny | 3 to 7 mph S | 1% |
| Sunday Night | 47°F | Mostly Clear | 7 mph S | 0% |
| Monday | 77°F | Sunny | 6 to 9 mph SSW | 0% |
| Monday Night | 49°F | Mostly Clear | 8 mph SW | 0% |
| Tuesday | 77°F | Sunny | 7 mph WSW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 5 to 8 mph SSW | 0% |
| Wednesday | 78°F | Sunny | 5 to 9 mph SSW | 1% |
| Wednesday Night | 51°F | Mostly Clear | 5 to 9 mph SW | 3% |
| Thursday | 78°F | Sunny | 5 to 10 mph SSW | 2% |
| Thursday Night | 51°F | Partly Cloudy | 5 to 8 mph SSW | 5% |
| Friday | 74°F | Mostly Sunny | 5 to 12 mph SSW | 6% |
| Friday Night | 48°F | Slight Chance Light Rain | 10 mph WNW | 24% |
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
Nearby towns & communities
Belt
Big Stone Colony
Black Eagle
Cascade
Centerville
Fair Haven Colony
Fairfield
Fort Shaw
Gibson Flats
Great Falls
Hardy
Malmstrom AFB
Monarch
Neihart
Pleasant Valley Colony
Riceville
Sand Coulee
Simms
Stockett
Sun Prairie
Sun River
Tracy
Ulm
Vaughn
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 Sep 19, 2026.