S
M
T
W
T
F
S
29
45°
17°
30
51°
35°
31
38°
27°
1
33°
19°
2
33°
24°
3
35°
32°
4
33°
32°
5
34°
25°
6
37°
18°
7
33°
15°
8
42°
20°
9
43°
32°
10
37°
23°
11
45°
22°
12
50°
34°
13
52°
39°
14
51°
38°
15
57°
37°
16
62°
37°
17
69°
35°
18
59°
30°
19
32°
24°
20
41°
19°
21
64°
33°
22
51°
43°
23
58°
43°
24
57°
39°
25
43°
34°
26
51°
41°
27
54°
40°
28
51°
35°
29
48°
35°
30
49°
34°
1
47°
35°
2
47°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Grand Marais
Grand Marais's April 2026 forecast shows daily high temperatures ranging from 43° to 58°, with overnight lows between 34° and 43°. The average high for April is 51° with an average low of 38°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Grand Marais. See also: May | June | July.
