Harbor Springs, MI Weather & Growing Conditions
Overnight
59°F
Mostly Cloudy
Mostly cloudy. Low around 59, with temperatures rising to around 62 overnight. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Mostly Cloudy | 5 to 10 mph S | 10% |
| Wednesday | 68°F | Rain Showers | 10 mph S | 82% |
| Wednesday Night | 46°F | Rain Showers | 10 mph SW | 85% |
| Thursday | 54°F | Rain Showers | 10 mph SW | 100% |
| Thursday Night | 31°F | Rain Showers | 10 to 15 mph N | 92% |
| Friday | 45°F | Rain Showers Likely | 10 to 15 mph N | 67% |
| Friday Night | 29°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 41% |
| Saturday | 47°F | Mostly Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 5 to 10 mph W | 11% |
| Sunday | 51°F | Slight Chance Rain Showers | 10 to 15 mph W | 24% |
| Sunday Night | 35°F | Slight Chance Rain Showers then Partly Cloudy | 10 mph NW | 24% |
| Monday | 54°F | Partly Sunny | 5 to 15 mph W | 6% |
| Monday Night | 38°F | Mostly Cloudy | 10 to 15 mph W | 12% |
| Tuesday | 53°F | Mostly Sunny | 10 to 15 mph NW | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harbor Springs, MI
Last spring frost
May 15
First fall frost
Oct 16
Growing season
152 days
Hardiness zone
5b
Explore more for Harbor Springs, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Cross Village 1E, Mi (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.