World Resorts USA Grand Marais Weather

Grand Marais 7 Days Forecast

15.01
thu
Day
18°F
N 14 mph
Precip.
0%
Night
18°F
E 5 mph
Precip.
0%
16.01
fri
Day
28°F
S 9 mph
Precip.
0%
Night
16°F
SE 17 mph
Precip.
0%
17.01
sat
Day
10°F
S 14 mph
Precip.
0%
Night
3°F
S 7 mph
Precip.
0%
18.01
sun
Day
3°F
E 7 mph
Precip.
0%
Night
0°F
SE 14 mph
Precip.
65%
19.01
mon
Day
-8°F
SE 10 mph
Precip.
0%
Night
-8°F
S 12 mph
Precip.
88%
20.01
tue
Day
-11°F
SE 9 mph
Precip.
0%
Night
-6°F
E 7 mph
Precip.
0%
21.01
wed
Day
10°F
E 6 mph
Precip.
100%
Night
3°F
SE 9 mph
Precip.
0%

Sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 was 36.4°F. The highest and lowest sea temperatures during the month were 37.0°F and 35.8°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

Sunniest months:
September 14 days
August 13 days
July 12 days
Warmest months:
August 68.1 °F
July 67.1 °F
September 62.2 °F
Warmest sea temp:
August 60.2 °F
September 59.1 °F
October 52.8 °F
Coldest months:
February 18.9 °F
January 19.4 °F
December 24.9 °F
Rainiest months:
August 3 days
April 2 days
July 2 days
Windiest months:
November 10.0 mph
December 9.9 mph
April 9.6 mph

Grand Marais on a weather map

Current weather
16:05
Grand Marais
+19°F
NE 16 mph
Feels like: +5°F
Precip.: 0%
Places in USA:
Name
°F
Washington
+30°F
Hawaii
+73°F
Honolulu
+73°F
Las Vegas
+68°F
Los Angeles
+79°F
Miami
+66°F
Miami Beach
+66°F
Maui
+66°F
New York
+30°F
San Diego
+70°F
San Francisco
+57°F
Sarasota
+61°F
Tampa
+59°F
Houston
+59°F
Chicago
+23°F
all places
24 Hours Forecast
Grand Marais
Local time: 16:05
January 15, thursday
1800
19°F
NE
14 mph
2100
19°F
E
5 mph
January 16, friday
0000
18°F
E
5 mph
0300
18°F
E
3 mph
0600
18°F
SE
2 mph
0900
21°F
S
3 mph
1200
28°F
S
9 mph
1500
30°F
SE
15 mph
Units of measurement: °C / °F