S
M
T
W
T
F
S
29
46°
36°
30
45°
30°
31
46°
28°
1
52°
38°
2
45°
36°
3
52°
32°
4
62°
35°
5
68°
43°
6
70°
43°
7
61°
44°
8
61°
31°
9
64°
34°
10
71°
39°
11
56°
44°
12
57°
43°
13
51°
39°
14
48°
35°
15
44°
33°
16
44°
30°
17
48°
32°
18
61°
33°
19
69°
41°
20
76°
44°
21
68°
46°
22
49°
39°
23
56°
31°
24
53°
27°
25
57°
31°
26
58°
33°
27
58°
36°
28
61°
39°
29
67°
40°
30
69°
42°
1
67°
41°
2
69°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Southwick
Southwick's April 2026 forecast shows daily high temperatures ranging from 53° to 69°, with overnight lows between 27° and 45°. The average high for April is 62° with an average low of 37°. 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 Southwick. See also: May | June | July.
