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
78°F
Sunny
Sunny. High near 78, with temperatures falling to around 76 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Mackinaw City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Sunny | 10 to 15 mph SW | 1% |
| Tonight | 62°F | Showers And Thunderstorms Likely | 5 to 15 mph NW | 72% |
| Wednesday | 73°F | Showers And Thunderstorms Likely then Partly Sunny | 5 to 10 mph N | 57% |
| Wednesday Night | 60°F | Partly Cloudy | 5 mph N | 7% |
| Thursday | 75°F | Mostly Sunny | 5 mph SE | 7% |
| Thursday Night | 63°F | Mostly Clear | 5 mph S | 4% |
| Friday | 77°F | Sunny | 5 to 15 mph SW | 1% |
| Friday Night | 67°F | Mostly Clear | 5 to 10 mph SW | 12% |
| Saturday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 10 to 15 mph SW | 17% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 35% |
| Sunday | 76°F | Chance Showers And Thunderstorms | 5 to 15 mph W | 39% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 39% |
| Monday | 75°F | Slight Chance Rain Showers | 5 to 10 mph W | 18% |
| Monday Night | 61°F | Chance Rain Showers | 5 to 10 mph NW | 29% |
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
Nearby towns & communities
Alanson
Bay View
Brutus
Carp Lake
Conway
Cross Village
Harbor Springs
Levering
Oden
Pellston
Ponshewaing
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 Aug 4, 2026.