Measurements:
°C
°F
Michigan City
54°F
W 8 mph
Feels like: 52°F
Precip: 10%
World Resorts USA Michigan City Weather

Michigan City Sea Water Temperature

Current Sea Water Temperature:
+60.2°F
Maximum Sea Water Temperature in October: 70.8°F
Minimum Sea Water Temperature in October: 54.2°F
Average water temperature in October: 62.7°F

Sea Water Temperature for the Last 10 Days:

October 26 60.2°F October 21 60.6°F
October 25 60.2°F October 20 61.0°F
October 24 60.8°F October 19 60.8°F
October 23 61.4°F October 18 62.0°F
October 22 60.8°F October 17 62.2°F

When is the Warmest Sea for Michigan City?

According to our data for the last three years for Michigan City the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Michigan City was 76.1°F. The maximum and minimum values were 71.4°F and 78.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Michigan City was 77.3°F. The maximum and minimum values were 70.4°F and 82.4°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Michigan City was 68.2°F. The maximum and minimum values were 54.6°F and 78.2°F respectively.

Best Time to Visit Michigan City
The most sunny months:
September 16 days
June 15 days
July 15 days
The most warm months:
July 81.6 °F
August 80.5 °F
June 77.3 °F
Warmest sea temperature:
August 76.8 °F
July 76.1 °F
September 71.8 °F
The most cold months:
January 26.6 °F
February 30.3 °F
December 34.8 °F
The most rainy months:
October 3 days
June 3 days
August 2 days
The most windy months:
March 12 mph
November 12 mph
December 12 mph

Michigan City on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +58
Hawaii +80
Houston +74
Las Vegas +64
Los Angeles +74
Maui +72
Miami +82
New York +62
Panama City Beach +64
San Diego +74
San Francisco +60
Santa Monica +72
Tampa +72
Washington +58
24 Hours Weather Forecast
Michigan City
Local time: 23:49
27 oct, tuesday
0000 54°F
W
8 mph
0300 52°F
W
10 mph
0600 50°F
NW
10 mph
0900 54°F
NW
12 mph
1200 64°F
NW
11 mph
1500 68°F
N
9 mph
1800 62°F
NW
8 mph
2100 60°F
NW
8 mph