Eagle Harbor, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Eagle Harbor, a community in Keweenaw County, Michigan.
Tonight
52°F
Rain Showers
Rain showers before 7pm, then rain showers and patchy fog. Cloudy, with a low around 52. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Eagle Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Rain Showers | 5 mph E | 91% |
| Wednesday | 59°F | Rain Showers | 5 to 10 mph SE | 98% |
| Wednesday Night | 44°F | Rain Showers | 5 to 15 mph S | 89% |
| Thursday | 44°F | Rain Showers | 15 to 25 mph N | 98% |
| Thursday Night | 32°F | Rain Showers Likely then Cloudy | 15 to 25 mph NE | 69% |
| Friday | 40°F | Partly Sunny | 5 to 15 mph NE | 3% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph E | 1% |
| Saturday | 45°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Saturday Night | 36°F | Mostly Cloudy | 5 to 10 mph W | 7% |
| Sunday | 47°F | Partly Sunny | 15 mph W | 12% |
| Sunday Night | 37°F | Mostly Cloudy | 10 to 15 mph NW | 12% |
| Monday | 48°F | Partly Sunny | 10 to 15 mph SW | 1% |
| Monday Night | 38°F | Mostly Cloudy | 15 to 20 mph W | 9% |
| Tuesday | 45°F | Mostly Sunny | 15 to 20 mph NW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Eagle Harbor (47.452, -88.153). Updated through the day.
Growing snapshot for Eagle Harbor
Last spring frost
May 10
First fall frost
Oct 21
Growing season
161 days
Hardiness zone
5b
More local growing data for Eagle Harbor: nearby ZIP 49950 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Copper Harbor, Mi (13 mi from Eagle Harbor). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.