S
M
T
W
T
F
S
28
68°
50°
29
66°
52°
30
70°
51°
1
71°
49°
2
70°
49°
3
70°
51°
4
72°
50°
5
70°
51°
6
71°
50°
7
72°
51°
8
71°
51°
9
71°
52°
10
73°
50°
11
73°
50°
12
72°
52°
13
71°
53°
14
72°
54°
15
73°
50°
16
72°
55°
17
73°
58°
18
70°
49°
19
73°
53°
20
74°
54°
21
76°
49°
22
Hist. Avg.
76°
54°
23
Hist. Avg.
76°
54°
24
Hist. Avg.
76°
54°
25
Hist. Avg.
76°
54°
26
Hist. Avg.
76°
54°
27
Hist. Avg.
76°
54°
28
Hist. Avg.
76°
54°
29
Hist. Avg.
76°
54°
30
Hist. Avg.
76°
54°
31
Hist. Avg.
76°
54°
1
Hist. Avg.
76°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Grand Marais
Grand Marais's July 2026 forecast shows daily high temperatures ranging from 66° to 76°, with overnight lows between 49° and 58°. The average high for July is 71° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Grand Marais. See also: August | September | October.
