Harbor Springs, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harbor Springs, a city in Emmet County, Michigan.
This Afternoon
66°F
Mostly Cloudy
Mostly cloudy, with a high near 66. East wind around 5 mph.
7-day forecast for Harbor Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Cloudy | 5 mph E | 0% |
| Tonight | 49°F | Mostly Cloudy | 5 mph E | 3% |
| Saturday | 69°F | Partly Sunny | 5 to 10 mph E | 14% |
| Saturday Night | 52°F | Scattered Rain Showers | 5 mph E | 29% |
| Sunday | 69°F | Isolated Rain Showers then Mostly Sunny | 5 to 10 mph NE | 22% |
| Sunday Night | 50°F | Mostly Cloudy | 10 mph NE | 0% |
| Monday | 60°F | Partly Sunny | 10 to 15 mph E | 0% |
| Monday Night | 48°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 61°F | Mostly Sunny | 5 to 15 mph E | 2% |
| Tuesday Night | 49°F | Partly Cloudy | 5 to 15 mph E | 8% |
| Wednesday | 64°F | Sunny | 5 to 15 mph E | 12% |
| Wednesday Night | 51°F | Partly Cloudy | 5 to 10 mph E | 12% |
| Thursday | 67°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph E | 5% |
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
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Conway
Cross Village
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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 Sep 18, 2026.