S
M
T
W
T
F
S
29
35°
18°
30
37°
26°
31
34°
26°
1
28°
19°
2
32°
27°
3
35°
27°
4
34°
28°
5
44°
27°
6
34°
16°
7
32°
11°
8
36°
30°
9
43°
32°
10
36°
29°
11
41°
26°
12
49°
35°
13
53°
37°
14
42°
35°
15
42°
32°
16
45°
31°
17
51°
32°
18
36°
26°
19
42°
23°
20
38°
19°
21
56°
29°
22
54°
30°
23
51°
37°
24
52°
31°
25
43°
30°
26
41°
34°
27
49°
34°
28
53°
38°
29
42°
34°
30
39°
32°
1
40°
29°
2
47°
36°
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 39° to 47°, with overnight lows between 29° and 36°. The average high for April is 42° with an average low of 32°. 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.
