S
M
T
W
T
F
S
31
53°
37°
1
61°
37°
2
57°
40°
3
63°
39°
4
55°
43°
5
66°
40°
6
64°
43°
7
57°
43°
8
55°
42°
9
55°
42°
10
59°
41°
11
57°
38°
12
69°
40°
13
62°
40°
14
73°
44°
15
66°
42°
16
53°
38°
17
54°
39°
18
68°
39°
19
61°
46°
20
55°
43°
21
57°
42°
22
55°
42°
23
54°
46°
24
59°
45°
25
58°
44°
26
59°
42°
27
60°
45°
28
62°
50°
29
63°
51°
30
64°
51°
1
66°
53°
2
66°
48°
3
61°
49°
4
62°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Grand Marais
Grand Marais's June 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 42° and 53°. The average high for June is 60° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Grand Marais. See also: July | August | September.
