Harrison, MI Weather & Growing Conditions
Tonight
52°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 52, with temperatures rising to around 55 overnight. East northeast wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Chance Rain Showers | 3 to 7 mph ENE | 51% |
| Sunday | 69°F | Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NE | 27% |
| Sunday Night | 43°F | Mostly Cloudy | 8 mph NE | 0% |
| Monday | 61°F | Mostly Cloudy | 8 to 12 mph ENE | 0% |
| Monday Night | 42°F | Mostly Cloudy | 6 to 10 mph ENE | 2% |
| Tuesday | 62°F | Partly Sunny | 6 to 13 mph ENE | 2% |
| Tuesday Night | 44°F | Mostly Cloudy | 7 to 10 mph ENE | 9% |
| Wednesday | 63°F | Slight Chance Rain Showers | 9 to 13 mph ENE | 24% |
| Wednesday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 24% |
| Thursday | 66°F | Partly Sunny | 5 to 8 mph E | 5% |
| Thursday Night | 45°F | Mostly Cloudy | 2 to 7 mph ENE | 5% |
| Friday | 70°F | Partly Sunny | 2 to 6 mph NE | 5% |
| Friday Night | 44°F | Partly Cloudy | 1 to 5 mph NE | 3% |
| Saturday | 72°F | Sunny | 1 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrison, MI
Last spring frost
May 9
First fall frost
Oct 4
Growing season
148 days
Hardiness zone
5a
Explore more for Harrison, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Gladwin, Mi (22.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.