Measurements:
°C
°F
CURRENT WEATHER
13:27
Grand Marais
72°F
SE 2 mph
Feels like: 72°F
Precip: 1%
World Resorts USA Grand Marais Weather

7 Day Weather Forecast

07.15
wed
DAY
72°F
SE 2 mph
precip
1%
NIGHT
74°F
SE 9 mph
precip
1%
07.16
thu
DAY
72°F
N 4 mph
precip
5%
NIGHT
60°F
W 3 mph
precip
17%
07.17
fri
DAY
56°F
W 5 mph
precip
75%
NIGHT
62°F
SW 7 mph
precip
43%
07.18
sat
DAY
70°F
S 12 mph
precip
15%
NIGHT
56°F
SE 2 mph
precip
20%
07.19
sun
DAY
64°F
NE 9 mph
precip
7%
NIGHT
66°F
E 9 mph
precip
11%
07.20
mon
DAY
78°F
SE 14 mph
precip
4%
NIGHT
56°F
NE 9 mph
precip
7%
07.21
tue
DAY
68°F
E 9 mph
precip
3%
NIGHT
58°F
SE 5 mph
precip
5%

Grand Marais Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Grand Marais was 5.3°F. The maximum and minimum values were 3.7°F and 7.8°F respectively.

Grand Marais on the Weather Map

Best Time to Visit Grand Marais
The most sunny months:
September 14 days
August 13 days
July 12 days
The most warm months:
August 70.1 °F
July 69.0 °F
September 63.5 °F
Warmest sea temperature:
August 61.3 °F
September 60.2 °F
October 53.1 °F
The most cold months:
January 15.2 °F
February 16.3 °F
December 22.1 °F
The most rainy months:
August 3 days
April 2 days
June 2 days
The most windy months:
November 10 mph
December 9 mph
January 9 mph
more details