Harrison, MI Weather & Growing Conditions
Tonight
58°F
Mostly Cloudy
Mostly cloudy. Low around 58, with temperatures rising to around 60 overnight. South southeast wind around 10 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Mostly Cloudy | 10 mph SSE | 9% |
| Wednesday | 67°F | Rain Showers | 13 mph S | 90% |
| Wednesday Night | 45°F | Rain Showers Likely | 10 mph SW | 72% |
| Thursday | 53°F | Rain Showers | 8 to 12 mph SW | 80% |
| Thursday Night | 34°F | Rain Showers Likely | 5 to 10 mph WNW | 68% |
| Friday | 46°F | Rain Showers Likely | 12 mph NNW | 63% |
| Friday Night | 28°F | Rain Showers Likely then Mostly Cloudy | 6 to 9 mph NNW | 63% |
| Saturday | 49°F | Mostly Sunny | 8 mph NNW | 3% |
| Saturday Night | 27°F | Partly Cloudy | 6 mph WNW | 3% |
| Sunday | 53°F | Mostly Sunny | 6 to 12 mph W | 12% |
| Sunday Night | 30°F | Partly Cloudy | 3 to 8 mph WNW | 12% |
| Monday | 56°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 35°F | Partly Cloudy | 9 mph WSW | 4% |
| Tuesday | 56°F | Mostly Sunny | 8 to 12 mph WNW | 4% |
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 (18 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.