Measurements:
°C
°F
CURRENT WEATHER
07:22
Mackinac Island
34°F
NE 21 mph
Feels like: 22°F
Precip: 0%
World Resorts USA Mackinac Island Weather

7 Day Weather Forecast

04.03
fri
DAY
34°F
E 17 mph
precip
0%
NIGHT
30°F
W 11 mph
precip
0%
04.04
sat
DAY
28°F
W 25 mph
precip
100%
NIGHT
32°F
NE 19 mph
precip
0%
04.05
sun
DAY
28°F
SE 19 mph
precip
0%
NIGHT
28°F
E 8 mph
precip
0%
04.06
mon
DAY
28°F
SE 3 mph
precip
100%
NIGHT
18°F
S 13 mph
precip
100%
04.07
tue
DAY
20°F
E 11 mph
precip
100%
NIGHT
18°F
N 4 mph
precip
0%
04.08
wed
DAY
32°F
N 14 mph
precip
0%
NIGHT
36°F
N 14 mph
precip
0%
04.09
thu
DAY
44°F
NE 14 mph
precip
0%
NIGHT
46°F
NE 10 mph
precip
0%

Mackinac Island Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Mackinac Island was 1.7°F. The maximum and minimum values were 0.1°F and 3.7°F respectively.

Mackinac Island on the Weather Map

Best Time to Visit Mackinac Island
The most sunny months:
July 14 days
August 14 days
September 12 days
The most warm months:
August 71.6 °F
July 71.5 °F
September 64.4 °F
Warmest sea temperature:
August 69.2 °F
July 66.8 °F
September 64.1 °F
The most cold months:
February 20.1 °F
January 20.4 °F
December 28.6 °F
The most rainy months:
August 3 days
May 2 days
July 2 days
The most windy months:
November 13 mph
December 13 mph
April 11 mph
more details