24.12
wed
wed
Day
32°F
N 4 mph
Precip.
0%
0%
Night
21°F
S 7 mph
Precip.
0%
0%
25.12
thu
thu
Day
18°F
W 9 mph
Precip.
0%
0%
Night
27°F
NW 17 mph
Precip.
0%
0%
26.12
fri
fri
Day
30°F
E 4 mph
Precip.
0%
0%
Night
30°F
N 9 mph
Precip.
63%
63%
27.12
sat
sat
Day
36°F
NW 7 mph
Precip.
82%
82%
Night
27°F
SE 16 mph
Precip.
68%
68%
28.12
sun
sun
Day
9°F
E 23 mph
Precip.
81%
81%
Night
3°F
SE 23 mph
Precip.
74%
74%
29.12
mon
mon
Day
1°F
SE 29 mph
Precip.
0%
0%
Night
-2°F
SE 6 mph
Precip.
0%
0%
30.12
tue
tue
Day
14°F
NE 7 mph
Precip.
100%
100%
Night
19°F
E 7 mph
Precip.
100%
100%
sea water
temperature
temperature
| Grand Marais |
monthly
weather
weather
| Grand Marais |
current
weather
weather
| Grand Marais |
14 days
forecast
forecast
| Grand Marais |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 38.7°F. The highest and lowest sea temperatures during the month were 40.3°F and 37.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 38.1°F. The highest and lowest sea temperatures during the month were 39.7°F and 36.3°F.
Air temperature in Grand Marais, °F
Precipitation total in Grand Marais, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Grand Marais
Grand Marais on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Grand Marais
Local time: 06:57
December 24, wednesday
0900
28°F
NW
2 mph
2 mph
1200
32°F
N
4 mph
4 mph
1500
34°F
NE
5 mph
5 mph
1800
30°F
SE
4 mph
4 mph
2100
28°F
S
7 mph
7 mph
December 25, thursday
0000
21°F
S
7 mph
7 mph
0300
18°F
S
7 mph
7 mph
0600
16°F
SW
6 mph
6 mph
