Mackinac Island weather live forecast

Today's maximum temperature in Mackinac Island is expected to be 14°C. Select a day from the live weather forecast for Mackinac Island, Michigan, USA for more weather parameters.

Sunday
17th May
14

8

4

7
Monday
18th May
17

8

5

6
Tuesday
19th May
18

6

4

7
Wednesday
20th May
7

2

3

4
Thursday
21st May
11

1

14

7

5-day weather forecast updated at 04:02 on Sunday 17th May 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 Sunday 17th May 2026

Expect isolated thunderstorms in Mackinac Island, Michigan with a maximum temperature of 14°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a moderate breeze of 23 kph from the east.

14
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
64
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
23
kph wind from E

Mackinac Island weather for Monday 18th May 2026

Expect isolated thunderstorms in Mackinac Island, Michigan with a maximum temperature of 17°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 22 kph from the south-west.

17
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
62
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Mackinac Island weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Mackinac Island, Michigan with a maximum temperature of 18°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 24 kph from the south-west.

18
°C maximum temperature
6
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
73
% chance of some rain
<20
mm of rainfall expected
18
°C wind chill
24
kph wind from SW

Mackinac Island weather for Wednesday 20th May 2026

Expect broken clouds in Mackinac Island, Michigan with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-west.

7
°C maximum temperature
2
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
3
°C wind chill
24
kph wind from NW

Mackinac Island weather for Thursday 21st May 2026

Expect clear skies in Mackinac Island, Michigan with a maximum temperature of 11°C, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.