Eagle Harbor, MI Weather & Growing Conditions
Tonight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 5 to 10 mph SE | 5% |
| Saturday | 63°F | Mostly Sunny | 5 to 10 mph SE | 3% |
| Saturday Night | 48°F | Mostly Cloudy | 0 to 10 mph NE | 12% |
| Sunday | 59°F | Partly Sunny | 10 to 15 mph NE | 12% |
| Sunday Night | 47°F | Partly Cloudy | 10 to 15 mph NE | 0% |
| Monday | 59°F | Partly Sunny | 10 mph E | 0% |
| Monday Night | 46°F | Partly Cloudy | 5 to 10 mph E | 0% |
| Tuesday | 60°F | Sunny | 5 to 10 mph E | 0% |
| Tuesday Night | 46°F | Mostly Clear | 5 to 10 mph SE | 0% |
| Wednesday | 61°F | Sunny | 5 to 10 mph SE | 2% |
| Wednesday Night | 48°F | Mostly Clear | 5 to 10 mph SE | 2% |
| Thursday | 64°F | Mostly Sunny | 0 to 5 mph S | 3% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph S | 6% |
| Friday | 66°F | Mostly Sunny | 0 to 10 mph NW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Eagle Harbor, MI
Last spring frost
May 10
First fall frost
Oct 21
Growing season
161 days
Hardiness zone
5b
Explore more for Eagle Harbor, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Copper Harbor, Mi (13 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.