Measurements:
°C
°F
CURRENT WEATHER
20:56
Marquette
42°F
W 2 mph
Feels like: 42°F
Precip: 19%
World Resorts USA Marquette Weather

7 Day Weather Forecast

10.05
mon
DAY
52°F
SE 9 mph
precip
2%
NIGHT
40°F
N 5 mph
precip
11%
10.06
tue
DAY
60°F
N 17 mph
precip
14%
NIGHT
60°F
NE 8 mph
precip
22%
10.07
wed
DAY
64°F
SE 10 mph
precip
1%
NIGHT
52°F
SE 9 mph
precip
5%
10.08
thu
DAY
54°F
SE 12 mph
precip
8%
NIGHT
48°F
E 6 mph
precip
15%
10.09
fri
DAY
52°F
SE 5 mph
precip
14%
NIGHT
42°F
NW 4 mph
precip
17%
10.10
sat
DAY
58°F
N 16 mph
precip
18%
NIGHT
68°F
NE 19 mph
precip
4%
10.11
sun
DAY
70°F
E 9 mph
precip
23%
NIGHT
44°F
S 13 mph
precip
27%

Marquette Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Marquette was 13.8°F. The maximum and minimum values were 11.8°F and 16.4°F respectively.

Marquette on the Weather Map

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
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