Measurements:
°C
°F
CURRENT WEATHER
12:18
Grand Marais
58°F
NE 6 mph
Feels like: 58°F
Precip: 2%
World Resorts USA Grand Marais Weather

7 Day Weather Forecast

06.04
thu
DAY
58°F
NE 6 mph
precip
2%
NIGHT
54°F
SE 2 mph
precip
73%
06.05
fri
DAY
62°F
NE 8 mph
precip
12%
NIGHT
56°F
S 8 mph
precip
2%
06.06
sat
DAY
60°F
N 6 mph
precip
12%
NIGHT
48°F
W 3 mph
precip
24%
06.07
sun
DAY
58°F
W 12 mph
precip
2%
NIGHT
50°F
SW 12 mph
precip
6%
06.08
mon
DAY
54°F
W 9 mph
precip
73%
NIGHT
54°F
SW 8 mph
precip
41%
06.09
tue
DAY
56°F
W 9 mph
precip
40%
NIGHT
56°F
W 7 mph
precip
21%
06.10
wed
DAY
62°F
W 5 mph
precip
23%
NIGHT
58°F
SW 6 mph
precip
35%

Grand Marais Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Grand Marais was 3.9°F. The maximum and minimum values were 1.9°F and 5.5°F respectively.

Grand Marais on the Weather Map

Best Time to Visit Grand Marais
The most sunny months:
September 14 days
August 13 days
May 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
July 2 days
The most windy months:
November 10 mph
December 9 mph
January 9 mph
more details