Measurements:
°C
°F
Marquette
40°F
N 5 mph
Feels like: 36°F
Precip: 12%
World Resorts USA Marquette Weather

Marquette Sea Water Temperature

Current Sea Water Temperature:
+60.4°F
Maximum Sea Water Temperature in October: 65.8°F
Minimum Sea Water Temperature in October: 45.8°F
Average water temperature in October: 56.4°F

Sea Water Temperature for the Last 10 Days:

October 05 60.4°F September 30 62.2°F
October 04 61.4°F September 29 60.8°F
October 03 62.0°F September 28 62.0°F
October 02 60.4°F September 27 61.6°F
October 01 61.8°F September 26 63.2°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 64.6°F. The maximum and minimum values were 60.8°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 63.7 °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
April 2 days
The most windy months:
November 11 mph
March 11 mph
February 11 mph

Marquette on the Weather Map

USA Resorts:
NAME
F°
Boston +52
Chicago +58
Hawaii +80
Houston +82
Las Vegas +82
Los Angeles +96
Maui +72
Miami +86
Myrtle Beach +68
New York +56
San Diego +86
San Francisco +66
Santa Monica +88
Sarasota +80
Washington +58
24 Hours Weather Forecast
Marquette
Local time: 00:33
06 oct, tuesday
0300 40°F
NE
7 mph
0600 44°F
N
11 mph
0900 48°F
N
15 mph
1200 60°F
N
17 mph
1500 68°F
NE
16 mph
1800 68°F
NE
13 mph
2100 62°F
NE
7 mph
07 oct, wednesday
0000 60°F
NE
7 mph