Harman US

Hart, MI Weather & Growing Conditions

This Afternoon
67°F
Mostly Cloudy
Mostly cloudy. High near 67, with temperatures falling to around 60 in the afternoon. Southwest wind around 13 mph, with gusts as high as 26 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Mostly Cloudy 13 mph SW 10%
Tonight 45°F Cloudy then Chance Rain Showers 13 mph SW 37%
Thursday 54°F Rain Showers 13 mph W 86%
Thursday Night 35°F Rain Showers Likely 10 to 14 mph NNW 62%
Friday 48°F Rain Showers Likely 12 to 15 mph N 67%
Friday Night 32°F Chance Rain Showers then Mostly Cloudy 3 to 13 mph N 50%
Saturday 51°F Mostly Sunny 5 to 10 mph NNW 2%
Saturday Night 33°F Mostly Clear 2 to 6 mph W 2%
Sunday 54°F Mostly Sunny 6 to 13 mph W 6%
Sunday Night 37°F Mostly Clear 3 to 8 mph WNW 6%
Monday 58°F Mostly Sunny 3 to 13 mph WSW 1%
Monday Night 41°F Mostly Clear 7 to 12 mph WSW 1%
Tuesday 58°F Sunny 6 to 10 mph WNW 1%
Tuesday Night 36°F Partly Cloudy 2 to 6 mph NW 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Hart, MI

Last spring frost
May 12
First fall frost
Oct 10
Growing season
151 days
Hardiness zone
6a

Explore more for Hart, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Hart 3 Wsw, Mi (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.