25.04
fri
fri
Day

45°F
SW 4 mph
Precip.
0%
0%
Night

43°F
S 6 mph
Precip.
0%
0%
26.04
sat
sat
Day

43°F
N 9 mph
Precip.
0%
0%
Night

37°F
SE 2 mph
Precip.
0%
0%
27.04
sun
sun
Day

37°F
N 5 mph
Precip.
100%
100%
Night

43°F
NE 6 mph
Precip.
100%
100%
28.04
mon
mon
Day

48°F
SW 3 mph
Precip.
100%
100%
Night

46°F
SW 6 mph
Precip.
100%
100%
29.04
tue
tue
Day

43°F
S 11 mph
Precip.
0%
0%
Night

32°F
NW 3 mph
Precip.
0%
0%
30.04
wed
wed
Day

41°F
NW 6 mph
Precip.
0%
0%
Night

36°F
SW 11 mph
Precip.
100%
100%
01.05
thu
thu
Day

46°F
SE 7 mph
Precip.
49%
49%
Night

36°F
S 13 mph
Precip.
0%
0%
02.05
fri
fri
Day

41°F
N 7 mph
Precip.
0%
0%
Night

34°F
E 5 mph
Precip.
0%
0%
03.05
sat
sat
Day

46°F
N 6 mph
Precip.
0%
0%
Night

48°F
SE 5 mph
Precip.
100%
100%
04.05
sun
sun
Day

59°F
SE 9 mph
Precip.
0%
0%
Night

48°F
SE 11 mph
Precip.
0%
0%
05.05
mon
mon
Day

50°F
S 9 mph
Precip.
0%
0%
Night

37°F
S 7 mph
Precip.
0%
0%
06.05
tue
tue
Day

48°F
NE 5 mph
Precip.
0%
0%
Night

36°F
SW 7 mph
Precip.
0%
0%
07.05
wed
wed
Day

43°F
NW 8 mph
Precip.
0%
0%
Night

41°F
E 4 mph
Precip.
0%
0%
sea water
temperature
temperature
Grand Marais |
monthly
weather
weather
Grand Marais |
current
weather
weather
Grand Marais |
7 days
forecast
forecast
Grand Marais |
Sea water temperature in April, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
28
30
32
34
36
38
40
42
The average sea water temperature in April of 2025 was 34.0°F. The highest and lowest sea temperatures during the month were 35.2°F and 33.4°F.
Sea water temperature in May, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
28
31
34
37
40
43
46
The average sea water temperature in May of 2024 was 37.5°F. The highest and lowest sea temperatures during the month were 39.2°F and 34.7°F.
Air temperature in Grand Marais, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
11
22
33
44
55
66
77
88
25.9
36.9
49.4
62.6
68.2
67.0
60.9
51.1
38.8
30.8
18.9
19.4
22.2
32.3
43.3
54.3
59.9
58.6
52.9
43.2
31.8
23.7
12.5
13.9
Day temperature | Night temperature |
Precipitation total in Grand Marais, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.5
0.8
1.0
1.3
1.6
1.8
0.7
0.8
0.7
0.7
1.5
1
1
0.9
1.3
0.7
0.3
0.3
* Charts above show average data for the last 3 years.
Best time for vacation in Grand Marais
Grand Marais on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Grand Marais
Local time: 00:55
April 25, friday
0300

39°F
SW
6 mph
6 mph
0600

39°F
SW
4 mph
4 mph
0900

43°F
SW
5 mph
5 mph
1200

45°F
SW
4 mph
4 mph
1500

50°F
SW
1 mph
1 mph
1800

48°F
W
1 mph
1 mph
2100

46°F
SW
2 mph
2 mph
April 26, saturday
0000

43°F
S
6 mph
6 mph