Harrison, MI Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind 3 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 to 10 mph SW | 0% |
| Tonight | 60°F | Partly Cloudy then Slight Chance Rain Showers | 3 to 8 mph SW | 22% |
| Wednesday | 78°F | Showers And Thunderstorms | 3 to 7 mph SW | 78% |
| Wednesday Night | 56°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph NW | 69% |
| Thursday | 78°F | Rain Showers Likely | 3 mph ENE | 69% |
| Thursday Night | 54°F | Chance Rain Showers then Partly Cloudy | 0 to 3 mph SSE | 38% |
| Friday | 83°F | Sunny | 0 to 6 mph SW | 4% |
| Friday Night | 57°F | Mostly Clear | 5 mph SW | 4% |
| Saturday | 84°F | Sunny | 3 to 10 mph WSW | 10% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 3 to 9 mph SW | 35% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 13 mph WSW | 35% |
| Sunday Night | 59°F | Chance Showers And Thunderstorms | 3 to 10 mph WSW | 53% |
| Monday | 81°F | Chance Rain Showers | 3 to 8 mph W | 53% |
| Monday Night | 57°F | Chance Rain Showers | 2 to 7 mph NW | 43% |
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 Aug 4, 2026.