Measurements:
°C
°F
Marquette
58°F
NE 14 mph
Feels like: 56°F
Precip: 37%
World Resorts USA Marquette Weather

Marquette Sea Water Temperature

Current Sea Water Temperature:
+64.4°F
Maximum Sea Water Temperature in September: 69.8°F
Minimum Sea Water Temperature in September: 57.6°F
Average water temperature in September: 63.8°F

Sea Water Temperature for the Last 10 Days:

September 15 64.4°F September 10 65.4°F
September 14 64.4°F September 09 67.8°F
September 13 63.0°F September 08 68.4°F
September 12 63.2°F September 07 69.0°F
September 11 61.8°F September 06 68.8°F

When is the Warmest Sea for Marquette?

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

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 Marquette was 67.6°F. The maximum and minimum values were 65.6°F and 69.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Marquette was 66.6°F. The maximum and minimum values were 61.8°F and 69.8°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Marquette was 63.6°F. The maximum and minimum values were 56.2°F and 68.8°F respectively.

Best Time to Visit Marquette
The most sunny months:
July 16 days
August 14 days
May 13 days
The most warm months:
July 73.3 °F
August 73.1 °F
September 67.2 °F
Warmest sea temperature:
August 67.7 °F
September 63.6 °F
July 62.2 °F
The most cold months:
January 18.8 °F
February 20.3 °F
December 25.3 °F
The most rainy months:
August 2 days
June 2 days
July 2 days
The most windy months:
November 11 mph
March 11 mph
February 11 mph

Marquette on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +72
Sarasota +86
Washington +66
24 Hours Weather Forecast
Marquette
Local time: 09:41
15 sep, tuesday
1200 70°F
E
16 mph
1500 66°F
E
15 mph
1800 62°F
E
12 mph
2100 58°F
SE
7 mph
16 sep, wednesday
0000 54°F
E
5 mph
0300 54°F
E
6 mph
0600 52°F
E
5 mph
0900 50°F
SE
3 mph