Mackinac Island weather live forecast

Today's maximum temperature in Mackinac Island is expected to be 30°F. Select a day from the live weather forecast for Mackinac Island, Michigan, USA for more weather parameters.

Wednesday
18th Mar
30

12

1

2
Thursday
19th Mar
34

27

10

4
Friday
20th Mar
34

27

3

3
Saturday
21st Mar
36

28

0

4
Sunday
22nd Mar
34

21

1

2

5-day weather forecast updated at 04:03 on Wednesday 18th March 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 Wednesday 18th March 2026

Expect mostly cloudy with light snow in Mackinac Island, Michigan with a maximum temperature of 30°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 87% chance of some snow and a moderate breeze of 14 mph from the south.

30
°F maximum temperature
12
°F minimum temperature
mostly cloudy with light snow
1
hour of sunshine
2
UV index (Low)
87
% chance of some snow
<2
cm of snow expected
19
°F wind chill
14
mph wind from S

Mackinac Island weather for Thursday 19th March 2026

Expect broken clouds in Mackinac Island, Michigan with a maximum temperature of 34°F, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the west.

34
°F maximum temperature
27
°F minimum temperature
broken clouds
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
27
°F wind chill
11
mph wind from W

Mackinac Island weather for Friday 20th March 2026

Expect mostly cloudy with snow in Mackinac Island, Michigan with a maximum temperature of 34°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 cm of snow expected with 67% chance of some snow and a gentle breeze of 11 mph from the west.

34
°F maximum temperature
27
°F minimum temperature
mostly cloudy with snow
3
hours of sunshine
3
UV index (Moderate)
67
% chance of some snow
<10
cm of snow expected
25
°F wind chill
11
mph wind from W

Mackinac Island weather for Saturday 21st March 2026

Expect cloudy with sleet or snow in Mackinac Island, Michigan with a maximum temperature of 36°F, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 47% chance of some sleet or snow and a gentle breeze of 11 mph from the south-west.

36
°F maximum temperature
28
°F minimum temperature
cloudy with sleet or snow
0
hours of sunshine
4
UV index (Moderate)
47
% chance of some sleet or snow
<5
mm of sleet/snow expected
28
°F wind chill
11
mph wind from SW

Mackinac Island weather for Sunday 22nd March 2026

Expect mostly cloudy with light snow in Mackinac Island, Michigan with a maximum temperature of 34°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 49% chance of some snow and a gentle breeze of 12 mph from the north.