Harrison, MI Weather & Growing Conditions
Tonight
45°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. Low around 45, with temperatures rising to around 47 overnight. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Chance Rain Showers | 9 mph SW | 39% |
| Thursday | 53°F | Rain Showers | 7 to 10 mph SW | 89% |
| Thursday Night | 32°F | Chance Rain Showers | 9 mph NW | 43% |
| Friday | 45°F | Rain Showers Likely | 10 mph NNW | 70% |
| Friday Night | 28°F | Chance Rain Showers then Mostly Cloudy | 5 to 9 mph NNW | 52% |
| Saturday | 50°F | Mostly Sunny | 5 to 8 mph NNW | 0% |
| Saturday Night | 27°F | Mostly Clear | 6 mph WNW | 1% |
| Sunday | 55°F | Sunny | 6 to 12 mph W | 7% |
| Sunday Night | 31°F | Mostly Clear | 3 to 8 mph WNW | 7% |
| Monday | 58°F | Mostly Sunny | 5 to 10 mph W | 1% |
| Monday Night | 37°F | Mostly Clear | 9 mph WSW | 1% |
| Tuesday | 59°F | Sunny | 6 to 10 mph WNW | 1% |
| Tuesday Night | 31°F | Partly Cloudy | 2 to 6 mph WNW | 1% |
| Veterans Day | 56°F | Mostly Sunny then Slight Chance Rain Showers | 2 to 7 mph NW | 15% |
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 Nov 5, 2026.