S
M
T
W
T
F
S
29
54°
19°
30
72°
38°
31
78°
54°
1
71°
41°
2
41°
36°
3
69°
36°
4
68°
40°
5
50°
38°
6
49°
26°
7
47°
29°
8
51°
21°
9
55°
33°
10
67°
46°
11
61°
34°
12
60°
46°
13
75°
57°
14
79°
54°
15
77°
52°
16
67°
49°
17
69°
46°
18
68°
43°
19
61°
42°
20
64°
45°
21
65°
45°
22
62°
39°
23
56°
35°
24
57°
42°
25
57°
42°
26
56°
40°
27
57°
40°
28
58°
39°
29
58°
39°
30
59°
37°
1
59°
45°
2
68°
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 55° to 79°, with overnight lows between 33° and 57°. The average high for April is 63° with an average low of 43°. 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.
