Eagle Harbor, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Eagle Harbor, a community in Keweenaw County, Michigan.
Today
73°F
Partly Sunny
Partly sunny. High near 73, with temperatures falling to around 69 in the afternoon. West wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Eagle Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Partly Sunny | 15 mph W | 9% |
| Tonight | 62°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Wednesday | 72°F | Sunny | 5 to 10 mph W | 0% |
| Wednesday Night | 66°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 83°F | Sunny | 5 to 10 mph S | 2% |
| Thursday Night | 70°F | Mostly Clear | 5 to 10 mph S | 6% |
| Friday | 84°F | Sunny then Slight Chance Rain Showers | 5 to 10 mph SW | 15% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Saturday | 78°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph SW | 24% |
| Saturday Night | 65°F | Chance Rain Showers | 5 mph SW | 37% |
| Sunday | 78°F | Chance Showers And Thunderstorms | 5 mph W | 28% |
| Sunday Night | 64°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph W | 19% |
| Monday | 77°F | Partly Sunny | 5 mph W | 10% |
| Monday Night | 63°F | Mostly Cloudy | 5 mph W | 14% |
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 Aug 4, 2026.