08.05
wed
wed
DAY
60°F
NE 9 mph
precip
7%
7%
NIGHT
58°F
SW 2 mph
precip
3%
3%
08.06
thu
thu
DAY
66°F
NE 9 mph
precip
4%
4%
NIGHT
62°F
E 7 mph
precip
11%
11%
08.07
fri
fri
DAY
68°F
NW 5 mph
precip
12%
12%
NIGHT
58°F
SE 7 mph
precip
5%
5%
08.08
sat
sat
DAY
64°F
W 3 mph
precip
7%
7%
NIGHT
54°F
S 2 mph
precip
15%
15%
08.09
sun
sun
DAY
70°F
SE 9 mph
precip
1%
1%
NIGHT
58°F
SE 9 mph
precip
5%
5%
08.10
mon
mon
DAY
70°F
E 7 mph
precip
3%
3%
NIGHT
58°F
SE 4 mph
precip
8%
8%
08.11
tue
tue
DAY
66°F
E 8 mph
precip
11%
11%
NIGHT
56°F
SE 6 mph
precip
9%
9%
08.12
wed
wed
DAY
70°F
SE 9 mph
precip
5%
5%
NIGHT
58°F
NW 9 mph
precip
6%
6%
08.13
thu
thu
DAY
58°F
N 9 mph
precip
6%
6%
NIGHT
48°F
SE 3 mph
precip
10%
10%
08.14
fri
fri
DAY
62°F
NE 4 mph
precip
6%
6%
NIGHT
52°F
SE 5 mph
precip
9%
9%
08.15
sat
sat
DAY
66°F
NE 6 mph
precip
5%
5%
NIGHT
54°F
SE 4 mph
precip
6%
6%
08.16
sun
sun
DAY
68°F
NE 8 mph
precip
8%
8%
NIGHT
56°F
SE 3 mph
precip
15%
15%
08.17
mon
mon
DAY
68°F
NE 7 mph
precip
9%
9%
NIGHT
58°F
NE 7 mph
precip
14%
14%
08.18
tue
tue
DAY
66°F
W 9 mph
precip
4%
4%
NIGHT
54°F
SE 4 mph
precip
7%
7%
Sea water
temperature
temperature
| Grand Marais |
Weather in
August
August
| Grand Marais |
7 day weather
forecast
forecast
| Grand Marais |
10 day weather
forecast
forecast
| Grand Marais |
14 day weather
forecast
forecast
| Grand Marais |
Monthly weather
averages
averages
| Grand Marais |
Current Weather
Conditions
Conditions
| Grand Marais |
When is the Best
Time to Visit?
Time to Visit?
| Grand Marais |
Grand Marais Sea Water Temperature in August, °F
The average sea surface temperature in August 2025 for Grand Marais was 62.5°F. The maximum and minimum values were 56.6°F and 67.4°F respectively.
Grand Marais on the Weather Map
USA Resorts:
NAME
F°
| Boston |  |
+94 |
| Chicago | |
+82 |
| Hawaii |  |
+82 |
| Houston | |
+102 |
| Las Vegas | |
+124 |
| Los Angeles | |
+92 |
| Maui | |
+78 |
| Miami | |
+92 |
| Myrtle Beach |  |
+84 |
| New York | |
+84 |
| San Diego | |
+80 |
| San Francisco | |
+62 |
| Santa Monica | |
+80 |
| Sarasota | |
+92 |
| Washington | |
+88 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Grand Marais
Local time: 13:23
05 aug, wednesday
| 1500 | |
62°F | NE 9 mph |
| 1800 | |
64°F | N 5 mph |
| 2100 | |
62°F | S 4 mph |
06 aug, thursday
| 0000 | |
58°F | SW 2 mph |
| 0300 | |
54°F | SE 2 mph |
| 0600 | |
52°F | E 4 mph |
| 0900 | |
62°F | NE 9 mph |
| 1200 | |
66°F | NE 9 mph |