Cascade, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cascade, a town in Cascade County, Montana.
This Afternoon
74°F
Partly Sunny
Partly sunny, with a high near 74. North northeast wind around 9 mph.
7-day forecast for Cascade
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Partly Sunny | 9 mph NNE | 8% |
| Tonight | 52°F | Slight Chance Showers And Thunderstorms then Light Rain Likely | 3 to 10 mph NNE | 55% |
| Saturday | 65°F | Chance Light Rain | 3 to 7 mph N | 45% |
| Saturday Night | 48°F | Mostly Cloudy | 2 to 6 mph S | 12% |
| Sunday | 75°F | Mostly Sunny | 3 mph SSE | 1% |
| Sunday Night | 49°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Monday | 80°F | Sunny | 3 to 8 mph SSW | 0% |
| Monday Night | 51°F | Mostly Clear | 8 mph SW | 0% |
| Tuesday | 79°F | Sunny | 6 mph WSW | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 2 to 6 mph SW | 0% |
| Wednesday | 79°F | Sunny | 3 to 9 mph SW | 1% |
| Wednesday Night | 51°F | Mostly Clear | 6 mph SW | 3% |
| Thursday | 81°F | Sunny | 6 mph SSW | 2% |
| Thursday Night | 52°F | Partly Cloudy | 6 mph S | 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
Nearby towns & communities
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Cascade Colony
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Hardy
Malmstrom AFB
Monarch
Neihart
Pleasant Valley Colony
Riceville
Sand Coulee
Simms
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Sun Prairie
Sun River
Tracy
Ulm
Vaughn
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 Sep 19, 2026.