World Resorts USA Grand Marais Weather

Grand Marais 14 Days Forecast

25.04
fri
Day
45°F
SW 4 mph
Precip.
0%
Night
43°F
S 6 mph
Precip.
0%
26.04
sat
Day
43°F
N 9 mph
Precip.
0%
Night
37°F
SE 2 mph
Precip.
0%
27.04
sun
Day
37°F
N 5 mph
Precip.
100%
Night
43°F
NE 6 mph
Precip.
100%
28.04
mon
Day
48°F
SW 3 mph
Precip.
100%
Night
46°F
SW 6 mph
Precip.
100%
29.04
tue
Day
43°F
S 11 mph
Precip.
0%
Night
32°F
NW 3 mph
Precip.
0%
30.04
wed
Day
41°F
NW 6 mph
Precip.
0%
Night
36°F
SW 11 mph
Precip.
100%
01.05
thu
Day
46°F
SE 7 mph
Precip.
49%
Night
36°F
S 13 mph
Precip.
0%
02.05
fri
Day
41°F
N 7 mph
Precip.
0%
Night
34°F
E 5 mph
Precip.
0%
03.05
sat
Day
46°F
N 6 mph
Precip.
0%
Night
48°F
SE 5 mph
Precip.
100%
04.05
sun
Day
59°F
SE 9 mph
Precip.
0%
Night
48°F
SE 11 mph
Precip.
0%
05.05
mon
Day
50°F
S 9 mph
Precip.
0%
Night
37°F
S 7 mph
Precip.
0%
06.05
tue
Day
48°F
NE 5 mph
Precip.
0%
Night
36°F
SW 7 mph
Precip.
0%
07.05
wed
Day
43°F
NW 8 mph
Precip.
0%
Night
41°F
E 4 mph
Precip.
0%

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

Sunniest months:
September 15 days
August 14 days
July 13 days
Warmest months:
August 68.2 °F
July 67.0 °F
September 62.6 °F
Warmest sea temp:
August 60.0 °F
September 59.3 °F
October 52.6 °F
Coldest months:
February 18.9 °F
January 19.4 °F
December 25.9 °F
Rainiest months:
August 4 days
April 2 days
July 2 days
Windiest months:
April 9.9 mph
November 9.9 mph
December 9.8 mph

Grand Marais on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+55°F
+57°F
+75°F
+75°F
+64°F
+57°F
+75°F
+59°F
+72°F
+57°F
+50°F
+66°F
+70°F
+75°F
+43°F
24 Hours Forecast
Grand Marais
Local time: 00:55
April 25, friday
0300
39°F
SW
6 mph
0600
39°F
SW
4 mph
0900
43°F
SW
5 mph
1200
45°F
SW
4 mph
1500
50°F
SW
1 mph
1800
48°F
W
1 mph
2100
46°F
SW
2 mph
April 26, saturday
0000
43°F
S
6 mph
Units of measurement: °C / °F