S
M
T
W
T
F
S
29
25°
4°
30
38°
18°
31
31°
16°
1
25°
12°
2
24°
6°
3
31°
16°
4
29°
21°
5
31°
15°
6
34°
24°
7
26°
20°
8
29°
20°
9
35°
23°
10
42°
29°
11
39°
30°
12
31°
27°
13
42°
24°
14
36°
29°
15
43°
29°
16
41°
34°
17
41°
25°
18
37°
23°
19
50°
30°
20
57°
28°
21
30°
22°
22
30°
22°
23
31°
19°
24
38°
33°
25
46°
32°
26
44°
25°
27
46°
28°
28
49°
31°
29
50°
32°
30
54°
34°
1
52°
36°
2
53°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Summerside
Summerside's April 2026 forecast shows daily high temperatures ranging from 31° to 54°, with overnight lows between 19° and 38°. The average high for April is 46° with an average low of 31°. 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 Summerside. See also: May | June | July.
