Harbor Springs, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harbor Springs, a city in Emmet County, Michigan.
Today
68°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. High near 68, with temperatures falling to around 63 in the afternoon. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Harbor Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Rain Showers Likely | 10 mph S | 56% |
| Tonight | 48°F | Chance Rain Showers | 10 to 15 mph SW | 54% |
| Thursday | 55°F | Rain Showers Likely | 15 mph W | 58% |
| Thursday Night | 36°F | Rain Showers | 15 mph N | 93% |
| Friday | 46°F | Rain Showers Likely | 10 to 15 mph N | 66% |
| Friday Night | 33°F | Chance Rain And Snow Showers | 5 to 10 mph N | 43% |
| Saturday | 48°F | Mostly Sunny | 5 to 10 mph NW | 10% |
| Saturday Night | 36°F | Partly Cloudy | 5 to 10 mph W | 9% |
| Sunday | 51°F | Slight Chance Rain Showers | 10 to 15 mph W | 24% |
| Sunday Night | 39°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph NW | 24% |
| Monday | 54°F | Mostly Sunny | 5 to 15 mph W | 6% |
| Monday Night | 42°F | Mostly Cloudy | 10 to 15 mph W | 11% |
| Tuesday | 52°F | Mostly Sunny | 10 to 15 mph NW | 11% |
| Tuesday Night | 38°F | Mostly Cloudy | 5 to 10 mph NW | 11% |
Forecast source: National Weather Service (api.weather.gov) for Harbor Springs (45.432, -84.989). Updated through the day.
Growing snapshot for Harbor Springs
Last spring frost
May 15
First fall frost
Oct 16
Growing season
152 days
Hardiness zone
5b
More local growing data for Harbor Springs: nearby ZIP 49740 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Alanson
Bay View
Brutus
Carp Lake
Conway
Cross Village
Levering
Mackinaw City
Oden
Pellston
Ponshewaing
Climate data from the nearest NOAA station, Cross Village 1E, Mi (8.3 mi from Harbor Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.