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Mackinaw City, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Mackinaw City, a village in Emmet County, Michigan.

Today
66°F
Rain Showers Likely
Rain showers likely. Mostly cloudy. High near 66, with temperatures falling to around 61 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 Mackinaw City

WhenTempForecastWindPrecip
Today 66°F Rain Showers Likely 10 mph S 60%
Tonight 48°F Rain Showers Likely 10 to 15 mph SW 60%
Thursday 55°F Rain Showers Likely 10 to 15 mph W 66%
Thursday Night 35°F Rain Showers 10 to 20 mph N 92%
Friday 45°F Rain Showers Likely 15 mph N 60%
Friday Night 32°F Slight Chance Rain And Snow Showers 10 mph N 35%
Saturday 48°F Sunny 5 to 10 mph NW 9%
Saturday Night 35°F Partly Cloudy 5 to 10 mph W 6%
Sunday 51°F Slight Chance Rain Showers 10 to 15 mph W 22%
Sunday Night 37°F Slight Chance Rain Showers then Partly Cloudy 10 to 15 mph NW 22%
Monday 53°F Partly Sunny 10 to 15 mph W 4%
Monday Night 39°F Slight Chance Rain Showers 10 to 15 mph W 15%
Tuesday 52°F Mostly Sunny 15 mph NW 9%
Tuesday Night 36°F Mostly Cloudy 5 to 15 mph NW 9%

Forecast source: National Weather Service (api.weather.gov) for Mackinaw City (45.784, -84.757). Updated through the day.

Growing snapshot for Mackinaw City

Last spring frost
May 7
First fall frost
Oct 23
Growing season
167 days
Hardiness zone
5b

More local growing data for Mackinaw City: nearby ZIP 49701 weather · frost dates · planting calendar · Michigan frost dates

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Climate data from the nearest NOAA station, St Ignace Mackinac Br, Mi (7.5 mi from Mackinaw City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.