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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.

Today
51°F
Mostly Sunny
Mostly sunny. High near 51, with temperatures falling to around 46 in the afternoon. Southwest wind 0 to 3 mph.

7-day forecast for Cascade

WhenTempForecastWindPrecip
Today 51°F Mostly Sunny 0 to 3 mph SW 0%
Tonight 31°F Mostly Clear 1 to 14 mph SSW 0%
Thursday 54°F Mostly Sunny 14 to 21 mph SW 0%
Thursday Night 35°F Mostly Clear 16 mph SW 0%
Friday 54°F Mostly Sunny 16 to 32 mph SW 0%
Friday Night 41°F Mostly Cloudy 17 to 26 mph SW 1%
Saturday 61°F Mostly Sunny 7 to 17 mph SSW 1%
Saturday Night 41°F Partly Cloudy 7 to 17 mph SSW 0%
Sunday 63°F Partly Sunny 9 to 22 mph SW 1%
Sunday Night 39°F Partly Cloudy 7 to 14 mph SW 1%
Monday 57°F Mostly Sunny 3 to 7 mph SW 0%
Monday Night 39°F Mostly Cloudy 3 to 12 mph SSW 0%
Tuesday 59°F Mostly Sunny 10 to 20 mph SW 2%
Tuesday Night 41°F Partly Cloudy 10 to 16 mph SW 3%

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.