Mackinac Island weather live forecast

Today's maximum temperature in Mackinac Island is expected to be 17°C. Select a day from the live weather forecast for Mackinac Island, Michigan, USA for more weather parameters.

Saturday
19th Sep
17

9

6

5
Sunday
20th Sep
18

10

6

5
Monday
21st Sep
14

8

6

4
Tuesday
22nd Sep
16

8

12

4
Wednesday
23rd Sep
17

8

9

5

5-day weather forecast updated at 04:03 on Saturday 19th September 2026 GMT

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The 5-day weather forecast for Michigan (Mackinac Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Mackinac Island weather forecast by day

Below are the detailed weather forecasts for Mackinac Island for the next 5 days.

Mackinac Island weather for Saturday 19th September 2026

Expect broken clouds in Mackinac Island, Michigan with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

17
°C maximum temperature
9
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from E

Mackinac Island weather for Sunday 20th September 2026

Expect broken clouds in Mackinac Island, Michigan with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.

18
°C maximum temperature
10
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
19
kph wind from N

Mackinac Island weather for Monday 21st September 2026

Expect scattered clouds in Mackinac Island, Michigan with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

14
°C maximum temperature
8
°C minimum temperature
scattered clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
19
kph wind from E

Mackinac Island weather for Tuesday 22nd September 2026

Expect clear skies in Mackinac Island, Michigan with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

16
°C maximum temperature
8
°C minimum temperature
clear skies
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
19
kph wind from E

Mackinac Island weather for Wednesday 23rd September 2026

Expect scattered clouds in Mackinac Island, Michigan with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.