Harman US

Hardy, MT Weather & Growing Conditions

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

Tonight
30°F
Partly Cloudy
Partly cloudy, with a low around 30. West southwest wind 3 to 8 mph.

7-day forecast for Hardy

WhenTempForecastWindPrecip
Tonight 30°F Partly Cloudy 3 to 8 mph WSW 0%
Wednesday 52°F Mostly Sunny 3 mph SSW 0%
Wednesday Night 31°F Mostly Clear 2 to 15 mph S 0%
Thursday 53°F Mostly Sunny 12 to 17 mph SSW 1%
Thursday Night 34°F Mostly Clear 12 to 20 mph SW 1%
Friday 53°F Mostly Sunny 17 to 24 mph SSW 1%
Friday Night 36°F Partly Cloudy 17 to 26 mph SW 3%
Saturday 57°F Mostly Sunny 9 to 22 mph SW 0%
Saturday Night 39°F Partly Cloudy 9 to 23 mph SSW 0%
Sunday 62°F Mostly Sunny 10 to 23 mph SSW 0%
Sunday Night 38°F Partly Cloudy 10 to 15 mph SW 0%
Monday 57°F Partly Sunny 6 to 12 mph SSW 1%
Monday Night 39°F Mostly Cloudy 6 to 15 mph SSW 1%
Tuesday 60°F Mostly Sunny 9 to 18 mph SSW 2%

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 Nov 4, 2026.