S
M
T
W
T
F
S
29
49°
29°
30
65°
42°
31
68°
48°
1
78°
50°
2
52°
41°
3
58°
41°
4
70°
41°
5
57°
42°
6
57°
41°
7
56°
33°
8
45°
30°
9
47°
32°
10
52°
39°
11
64°
47°
12
52°
41°
13
75°
46°
14
80°
55°
15
79°
60°
16
80°
57°
17
79°
52°
18
62°
47°
19
54°
41°
20
54°
36°
21
49°
34°
22
54°
45°
23
73°
51°
24
60°
48°
25
51°
44°
26
56°
47°
27
62°
45°
28
58°
47°
29
61°
48°
30
62°
47°
1
62°
46°
2
61°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Franklin Square
Franklin Square's April 2026 forecast shows daily high temperatures ranging from 51° to 73°, with overnight lows between 44° and 51°. The average high for April is 60° with an average low of 47°. 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 Franklin Square. See also: May | June | July.