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
59°
26°
10
71°
31°
11
58°
40°
12
59°
27°
13
80°
44°
14
87°
50°
15
86°
52°
16
86°
60°
17
78°
53°
18
71°
50°
19
56°
32°
20
48°
26°
21
50°
37°
22
62°
37°
23
59°
36°
24
57°
37°
25
60°
41°
26
61°
42°
27
59°
41°
28
60°
40°
29
63°
42°
30
60°
41°
1
61°
44°
2
61°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Southampton
Southampton's April 2026 forecast shows daily high temperatures ranging from 48° to 86°, with overnight lows between 26° and 60°. The average high for April is 62° with an average low of 41°. 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 Southampton. See also: May | June | July.
