S
M
T
W
T
F
S
29
64°
28°
30
59°
30°
31
46°
28°
1
41°
28°
2
32°
30°
3
34°
27°
4
36°
28°
5
45°
27°
6
36°
21°
7
40°
35°
8
48°
30°
9
43°
24°
10
50°
31°
11
53°
46°
12
66°
49°
13
57°
30°
14
41°
23°
15
45°
25°
16
52°
34°
17
55°
33°
18
53°
34°
19
57°
40°
20
55°
31°
21
48°
32°
22
49°
33°
23
52°
32°
24
50°
28°
25
56°
39°
26
54°
37°
27
62°
39°
28
61°
35°
29
62°
40°
30
62°
40°
1
63°
35°
2
63°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Isle
Isle's April 2026 forecast shows daily high temperatures ranging from 40° to 66°, with overnight lows between 23° and 49°. The average high for April is 54° with an average low of 34°. 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 Isle. See also: May | June | July.
