Measurements:
°C
°F
CURRENT WEATHER
17:37
Mackinac Island
30°F
SE 14 mph
Feels like: 16°F
Precip: 60%
World Resorts USA Mackinac Island Weather

7 Day Weather Forecast

01.09
fri
DAY
32°F
SE 24 mph
precip
100%
NIGHT
26°F
E 3 mph
precip
0%
01.10
sat
DAY
26°F
W 14 mph
precip
0%
NIGHT
22°F
SW 17 mph
precip
100%
01.11
sun
DAY
20°F
S 18 mph
precip
0%
NIGHT
16°F
E 7 mph
precip
0%
01.12
mon
DAY
26°F
NE 16 mph
precip
100%
NIGHT
30°F
NE 9 mph
precip
0%
01.13
tue
DAY
30°F
NE 6 mph
precip
0%
NIGHT
28°F
NE 4 mph
precip
100%
01.14
wed
DAY
8°F
S 16 mph
precip
26%
NIGHT
-4°F
S 10 mph
precip
0%
01.15
thu
DAY
-2°F
SW 6 mph
precip
0%
NIGHT
0°F
SW 6 mph
precip
51%

Mackinac Island Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Mackinac Island was 2.3°F. The maximum and minimum values were 1.1°F and 3.6°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 19.9 °F
January 21.2 °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