Harman US

Hardy, MT Weather & Growing Conditions

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

This Afternoon
53°F
Sunny
Sunny. High near 53, with temperatures falling to around 47 in the afternoon. Southeast wind around 3 mph.

7-day forecast for Hardy

WhenTempForecastWindPrecip
This Afternoon 53°F Sunny 3 mph SE 0%
Tonight 32°F Mostly Clear 1 to 16 mph SSW 0%
Thursday 52°F Mostly Sunny 13 to 18 mph SW 4%
Thursday Night 34°F Mostly Clear 13 to 21 mph SSW 0%
Friday 53°F Sunny 20 to 26 mph SSW 0%
Friday Night 42°F Partly Cloudy 18 to 26 mph SSW 3%
Saturday 60°F Mostly Sunny 8 to 18 mph SSW 3%
Saturday Night 42°F Partly Cloudy 8 to 23 mph SSW 0%
Sunday 64°F Mostly Sunny 10 to 23 mph SW 0%
Sunday Night 39°F Mostly Cloudy 13 mph SW 0%
Monday 57°F Partly Sunny 6 to 10 mph SSW 1%
Monday Night 39°F Mostly Cloudy 6 to 17 mph SSW 1%
Tuesday 59°F Mostly Sunny 10 to 21 mph SSW 2%
Tuesday Night 42°F Partly Cloudy 10 to 22 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.