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Cascade, MT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cascade, a town in Cascade County, Montana.

Tonight
29°F
Partly Cloudy
Partly cloudy, with a low around 29. West southwest wind 1 to 6 mph.

7-day forecast for Cascade

WhenTempForecastWindPrecip
Tonight 29°F Partly Cloudy 1 to 6 mph WSW 0%
Wednesday 51°F Mostly Sunny 2 mph W 0%
Wednesday Night 31°F Mostly Clear 1 to 12 mph SSW 0%
Thursday 54°F Mostly Sunny 12 to 20 mph SW 1%
Thursday Night 34°F Mostly Clear 13 to 16 mph SW 1%
Friday 54°F Mostly Sunny 16 to 30 mph SW 1%
Friday Night 37°F Partly Cloudy 20 to 26 mph SW 3%
Saturday 56°F Mostly Sunny 9 to 21 mph SW 0%
Saturday Night 38°F Partly Cloudy 9 to 17 mph SSW 0%
Sunday 61°F Mostly Sunny 10 to 22 mph SSW 0%
Sunday Night 38°F Mostly Cloudy 8 to 13 mph SW 1%
Monday 57°F Partly Sunny 5 to 8 mph SW 1%
Monday Night 39°F Mostly Cloudy 5 to 12 mph SSW 1%
Tuesday 60°F Partly Sunny 10 to 18 mph SW 1%

Forecast source: National Weather Service (api.weather.gov) for Cascade (47.277, -111.703). Updated through the day.

Growing snapshot for Cascade

Last spring frost
Jun 2
First fall frost
Sep 10
Growing season
96 days
Hardiness zone
4a

More local growing data for Cascade: 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). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.