Measurements:
°C
°F
CURRENT WEATHER
15:39
Grand Marais
56°F
N 3 mph
Feels like: 58°F
Precip: 88%
World Resorts USA Grand Marais Weather

7 Day Weather Forecast

05.18
sat
DAY
54°F
W 4 mph
precip
100%
NIGHT
50°F
E 11 mph
precip
0%
05.19
sun
DAY
58°F
NE 13 mph
precip
0%
NIGHT
52°F
E 1 mph
precip
0%
05.20
mon
DAY
48°F
SW 8 mph
precip
100%
NIGHT
50°F
E 6 mph
precip
86%
05.21
tue
DAY
52°F
W 1 mph
precip
0%
NIGHT
50°F
S 16 mph
precip
100%
05.22
wed
DAY
52°F
SE 11 mph
precip
0%
NIGHT
42°F
SE 6 mph
precip
0%
05.23
thu
DAY
48°F
NE 8 mph
precip
0%
NIGHT
42°F
W 11 mph
precip
100%
05.24
fri
DAY
46°F
SW 15 mph
precip
100%
NIGHT
42°F
E 14 mph
precip
29%

Grand Marais Sea Water Temperature in May, °F

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for Grand Marais was 2.1°F. The maximum and minimum values were 1.0°F and 3.4°F respectively.

Grand Marais on the Weather Map

Best Time to Visit Grand Marais
The most sunny months:
August 14 days
September 14 days
July 13 days
The most warm months:
August 70.4 °F
July 68.9 °F
September 63.2 °F
Warmest sea temperature:
August 60.4 °F
September 59.1 °F
October 53.3 °F
The most cold months:
February 15.5 °F
January 16.8 °F
December 23.5 °F
The most rainy months:
August 4 days
April 2 days
September 2 days
The most windy months:
April 9 mph
December 9 mph
November 9 mph
more details