Measurements:
°C
°F
CURRENT WEATHER
18:15
Mackinac Island
30°F
SW 23 mph
Feels like: 14°F
Precip: 100%
World Resorts USA Mackinac Island Weather

7 Day Weather Forecast

03.13
fri
DAY
30°F
W 30 mph
precip
100%
NIGHT
22°F
S 17 mph
precip
100%
03.14
sat
DAY
20°F
SE 7 mph
precip
0%
NIGHT
24°F
NW 6 mph
precip
0%
03.15
sun
DAY
24°F
W 24 mph
precip
100%
NIGHT
26°F
SW 24 mph
precip
100%
03.16
mon
DAY
10°F
SE 6 mph
precip
0%
NIGHT
4°F
SE 21 mph
precip
100%
03.17
tue
DAY
8°F
SE 16 mph
precip
100%
NIGHT
-2°F
E 7 mph
precip
0%
03.18
wed
DAY
16°F
N 12 mph
precip
100%
NIGHT
16°F
N 9 mph
precip
27%
03.19
thu
DAY
30°F
E 16 mph
precip
76%
NIGHT
16°F
SE 9 mph
precip
0%

Mackinac Island Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Mackinac Island was 0.5°F. The maximum and minimum values were 0.0°F and 1.0°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