Mackinac Island weather live forecast

Today's maximum temperature in Mackinac Island is expected to be 21°C. Select a day from the live weather forecast for Mackinac Island, Michigan, USA for more weather parameters.

Thursday
10th Sep
21

14

11

4
Friday
11th Sep
23

14

12

5
Saturday
12th Sep
23

16

5

5
Sunday
13th Sep
20

11

6

4
Monday
14th Sep
16

11

3

4

5-day weather forecast updated at 04:03 on Thursday 10th 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 Thursday 10th September 2026

Expect clear skies in Mackinac Island, Michigan with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

21
°C maximum temperature
14
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
18
kph wind from NW

Mackinac Island weather for Friday 11th September 2026

Expect clear skies in Mackinac Island, Michigan with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

23
°C maximum temperature
14
°C minimum temperature
clear skies
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Mackinac Island weather for Saturday 12th September 2026

Expect broken clouds in Mackinac Island, Michigan with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

23
°C maximum temperature
16
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from S

Mackinac Island weather for Sunday 13th September 2026

Expect sunshine and showers in Mackinac Island, Michigan with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a gentle breeze of 19 kph from the west.

20
°C maximum temperature
11
°C minimum temperature
sunshine and showers
6
hours of sunshine
4
UV index (Moderate)
19
% chance of some rain
<2
mm of rainfall expected
20
°C wind chill
19
kph wind from W

Mackinac Island weather for Monday 14th September 2026

Expect isolated thunderstorms in Mackinac Island, Michigan with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 83% chance of some rain and a moderate breeze of 22 kph from the south-east.