S
M
T
W
T
F
S
29
23°
9°
30
32°
14°
31
40°
14°
1
38°
17°
2
34°
28°
3
47°
29°
4
46°
28°
5
N/A
6
41°
26°
7
32°
22°
8
41°
25°
9
44°
27°
10
47°
27°
11
41°
23°
12
38°
20°
13
35°
19°
14
43°
23°
15
40°
26°
16
44°
26°
17
46°
28°
18
48°
27°
19
54°
32°
20
46°
26°
21
47°
31°
22
46°
28°
23
46°
27°
24
47°
28°
25
47°
29°
26
50°
32°
27
55°
33°
28
61°
37°
29
62°
40°
30
64°
41°
1
65°
42°
2
66°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Summerside
Summerside's April 2026 forecast shows daily high temperatures ranging from 32° to 66°, with overnight lows between 19° and 42°. The average high for April is 48° with an average low of 29°. 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.
