Measurements:
°C
°F
CURRENT WEATHER
13:00
Grand Marais
44°F
W 9 mph
Feels like: 40°F
Precip: 0%
World Resorts USA Grand Marais Weather

14 Day Weather Forecast

05.14
thu
DAY
44°F
W 9 mph
precip
0%
NIGHT
44°F
W 2 mph
precip
100%
05.15
fri
DAY
54°F
NE 8 mph
precip
0%
NIGHT
52°F
E 8 mph
precip
0%
05.16
sat
DAY
60°F
E 12 mph
precip
0%
NIGHT
40°F
SW 7 mph
precip
0%
05.17
sun
DAY
48°F
W 19 mph
precip
0%
NIGHT
46°F
SW 19 mph
precip
100%
05.18
mon
DAY
50°F
W 3 mph
precip
0%
NIGHT
46°F
SW 21 mph
precip
100%
05.19
tue
DAY
40°F
E 19 mph
precip
75%
NIGHT
36°F
E 20 mph
precip
68%
05.20
wed
DAY
44°F
E 16 mph
precip
0%
NIGHT
34°F
S 6 mph
precip
0%
05.21
thu
DAY
44°F
W 9 mph
precip
0%
NIGHT
34°F
SW 5 mph
precip
0%
05.22
fri
DAY
46°F
NW 6 mph
precip
0%
NIGHT
36°F
N 1 mph
precip
0%
05.23
sat
DAY
46°F
W 9 mph
precip
0%
NIGHT
40°F
SW 7 mph
precip
0%
05.24
sun
DAY
52°F
N 4 mph
precip
0%
NIGHT
48°F
NW 2 mph
precip
100%
05.25
mon
DAY
52°F
NE 3 mph
precip
22%
NIGHT
50°F
E 3 mph
precip
100%
05.26
tue
DAY
60°F
NE 7 mph
precip
100%
NIGHT
48°F
SW 12 mph
precip
50%
05.27
wed
DAY
50°F
W 7 mph
precip
0%
NIGHT
46°F
SW 6 mph
precip
0%

Grand Marais Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for Grand Marais was 35.0°F. The maximum and minimum values were 32.0°F and 39.0°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
July 2 days
The most windy months:
November 10 mph
December 9 mph
January 9 mph
more details
USA Resorts:
NAME
F°
Boston +56
Chicago +56
Hawaii +78
Honolulu +78
Houston +98
Las Vegas +102
Los Angeles +76
Maui +72
Miami +90
Miami Beach +92
New York +70
San Diego +72
San Francisco +72
Sarasota +96
Tampa +96
all resorts
24 Hours Weather Forecast
Grand Marais
Local time: 13:00
14 may, thursday
1500 48°F
W
9 mph
1800 50°F
W
11 mph
2100 48°F
SW
6 mph
15 may, friday
0000 44°F
W
2 mph
0300 42°F
N
5 mph
0600 42°F
NE
5 mph
0900 48°F
NE
7 mph
1200 54°F
NE
8 mph