Hardy, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hardy, a community in Cascade County, Montana.
Overnight
42°F
Mostly Clear
Mostly clear, with a low around 42. Southwest wind around 2 mph.
7-day forecast for Hardy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 80°F | Sunny | 1 to 6 mph ESE | 0% |
| Tuesday Night | 47°F | Mostly Clear | 3 to 7 mph SE | 1% |
| Wednesday | 88°F | Sunny | 3 to 8 mph WSW | 0% |
| Wednesday Night | 52°F | Clear | 5 mph W | 0% |
| Thursday | 96°F | Sunny | 6 to 9 mph WSW | 0% |
| Thursday Night | 56°F | Mostly Clear | 6 mph WSW | 0% |
| Friday | 100°F | Sunny | 3 to 18 mph WSW | 0% |
| Friday Night | 57°F | Mostly Clear | 8 to 17 mph WSW | 0% |
| Saturday | 95°F | Sunny | 6 to 12 mph WSW | 0% |
| Saturday Night | 57°F | Mostly Clear | 6 to 13 mph W | 1% |
| Sunday | 91°F | Sunny | 5 to 8 mph W | 0% |
| Sunday Night | 55°F | Mostly Clear | 5 to 10 mph NNW | 2% |
| Monday | 89°F | Sunny | 3 to 7 mph NNW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Hardy (47.183, -111.816). Updated through the day.
Growing snapshot for Hardy
Last spring frost
Jun 4
First fall frost
Sep 12
Growing season
98 days
Hardiness zone
4b
More local growing data for Hardy: nearby ZIP 59421 weather · frost dates · planting calendar · Montana frost dates
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Climate data from the nearest NOAA station, Adel, Mt (4.6 mi from Hardy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.