Measurements:
°C
°F
Grand Marais
24°F
SE 2 mph
Feels like: 20°F
Precip: 0%
World Resorts USA Grand Marais Weather

7 Day Weather Forecast

01.09
fri
DAY
26°F
SE 9 mph
precip
0%
NIGHT
28°F
NE 3 mph
precip
100%
01.10
sat
DAY
20°F
SE 7 mph
precip
0%
NIGHT
12°F
S 16 mph
precip
0%
01.11
sun
DAY
16°F
E 3 mph
precip
0%
NIGHT
20°F
E 14 mph
precip
0%
01.12
mon
DAY
28°F
E 7 mph
precip
0%
NIGHT
26°F
NE 11 mph
precip
100%
01.13
tue
DAY
34°F
SE 13 mph
precip
0%
NIGHT
2°F
S 17 mph
precip
0%
01.14
wed
DAY
4°F
S 10 mph
precip
0%
NIGHT
0°F
SE 7 mph
precip
0%
01.15
thu
DAY
16°F
NE 14 mph
precip
0%
NIGHT
20°F
NE 14 mph
precip
0%

Grand Marais Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Grand Marais was 3.4°F. The maximum and minimum values were 2.4°F and 4.3°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:
February 15.4 °F
January 16.0 °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
April 9 mph