Hart, MI Weather & Growing Conditions
Overnight
54°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. Low around 54, with temperatures rising to around 57 overnight. Northeast wind around 6 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Slight Chance Rain Showers | 6 mph NE | 23% |
| Sunday | 73°F | Slight Chance Rain Showers then Mostly Cloudy | 7 to 13 mph NE | 23% |
| Sunday Night | 46°F | Mostly Cloudy | 6 to 13 mph NE | 0% |
| Monday | 67°F | Mostly Cloudy | 7 to 10 mph ENE | 0% |
| Monday Night | 44°F | Mostly Cloudy | 6 to 9 mph ENE | 3% |
| Tuesday | 67°F | Partly Sunny | 6 to 12 mph ENE | 3% |
| Tuesday Night | 45°F | Mostly Cloudy | 6 to 10 mph ENE | 7% |
| Wednesday | 68°F | Slight Chance Rain Showers | 8 to 12 mph ENE | 20% |
| Wednesday Night | 47°F | Mostly Cloudy | 5 to 9 mph E | 14% |
| Thursday | 70°F | Partly Sunny | 5 to 8 mph ENE | 3% |
| Thursday Night | 49°F | Mostly Cloudy | 2 to 6 mph E | 3% |
| Friday | 73°F | Partly Sunny | 2 to 7 mph NE | 3% |
| Friday Night | 47°F | Partly Cloudy | 2 to 7 mph NE | 2% |
| Saturday | 74°F | Mostly Sunny | 2 to 6 mph NNE | 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 Sep 20, 2026.