Measurements:
°C
°F
CURRENT WEATHER
06:20
Grand Marais
26°F
S 12 mph
Feels like: 16°F
Precip: 100%
World Resorts USA Grand Marais Weather

7 Day Weather Forecast

04.03
fri
DAY
32°F
W 9 mph
precip
0%
NIGHT
26°F
W 18 mph
precip
0%
04.04
sat
DAY
28°F
SW 19 mph
precip
100%
NIGHT
20°F
S 13 mph
precip
0%
04.05
sun
DAY
34°F
SE 9 mph
precip
0%
NIGHT
30°F
SE 9 mph
precip
100%
04.06
mon
DAY
28°F
S 16 mph
precip
63%
NIGHT
10°F
SE 6 mph
precip
0%
04.07
tue
DAY
22°F
NE 9 mph
precip
0%
NIGHT
26°F
N 9 mph
precip
26%
04.08
wed
DAY
32°F
NE 17 mph
precip
0%
NIGHT
30°F
E 4 mph
precip
0%
04.09
thu
DAY
32°F
SW 5 mph
precip
100%
NIGHT
32°F
SW 9 mph
precip
100%

Grand Marais Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Grand Marais was 1.2°F. The maximum and minimum values were 0.8°F and 1.8°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
July 2 days
The most windy months:
November 10 mph
December 9 mph
April 9 mph
more details