Measurements:
°C
°F
CURRENT WEATHER
20:02
Grand Marais
46°F
W 5 mph
Feels like: 42°F
Precip: 12%
World Resorts USA Grand Marais Weather

14 Day Weather Forecast

10.05
mon
DAY
52°F
NE 6 mph
precip
3%
NIGHT
46°F
W 6 mph
precip
31%
10.06
tue
DAY
56°F
NE 11 mph
precip
26%
NIGHT
56°F
SE 12 mph
precip
19%
10.07
wed
DAY
60°F
E 13 mph
precip
2%
NIGHT
50°F
E 9 mph
precip
8%
10.08
thu
DAY
56°F
E 11 mph
precip
14%
NIGHT
44°F
S 7 mph
precip
24%
10.09
fri
DAY
52°F
SE 6 mph
precip
10%
NIGHT
48°F
W 11 mph
precip
20%
10.10
sat
DAY
52°F
W 11 mph
precip
27%
NIGHT
56°F
E 6 mph
precip
9%
10.11
sun
DAY
56°F
NW 11 mph
precip
21%
NIGHT
42°F
SW 14 mph
precip
19%
10.12
mon
DAY
42°F
W 10 mph
precip
11%
NIGHT
36°F
SW 3 mph
precip
11%
10.13
tue
DAY
44°F
W 6 mph
precip
9%
NIGHT
46°F
SW 9 mph
precip
17%
10.14
wed
DAY
48°F
SW 21 mph
precip
30%
NIGHT
48°F
SW 24 mph
precip
37%
10.15
thu
DAY
42°F
SW 24 mph
precip
56%
NIGHT
42°F
SW 17 mph
precip
23%
10.16
fri
DAY
44°F
SW 11 mph
precip
10%
NIGHT
40°F
NE 8 mph
precip
6%
10.17
sat
DAY
48°F
W 11 mph
precip
1%
NIGHT
40°F
SW 9 mph
precip
3%
10.18
sun
DAY
46°F
W 9 mph
precip
14%
NIGHT
40°F
SW 6 mph
precip
18%

Grand Marais Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Grand Marais was 54.2°F. The maximum and minimum values were 49.6°F and 61.4°F respectively.

Grand Marais on the Weather Map

Best Time to Visit Grand Marais
The most sunny months:
August 14 days
September 13 days
July 12 days
The most warm months:
August 69.8 °F
July 68.5 °F
September 63.3 °F
Warmest sea temperature:
August 60.3 °F
September 59.7 °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
January 9 mph
more details
USA Resorts:
NAME
F°
Boston +58
Chicago +60
Hawaii +82
Houston +84
Las Vegas +92
Los Angeles +102
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
all resorts
24 Hours Weather Forecast
Grand Marais
Local time: 20:02
05 oct, monday
2100 46°F
W
5 mph
06 oct, tuesday
0000 46°F
W
6 mph
0300 46°F
W
7 mph
0600 46°F
W
7 mph
0900 52°F
N
6 mph
1200 56°F
NE
11 mph
1500 58°F
NE
9 mph
1800 58°F
E
4 mph