S
M
T
W
T
F
S
29
53°
29°
30
56°
38°
31
41°
31°
1
31°
26°
2
55°
29°
3
61°
33°
4
52°
33°
5
40°
31°
6
39°
22°
7
26°
17°
8
48°
21°
9
61°
31°
10
40°
32°
11
44°
28°
12
59°
35°
13
58°
43°
14
60°
38°
15
59°
39°
16
62°
41°
17
59°
41°
18
64°
35°
19
38°
27°
20
36°
26°
21
60°
36°
22
52°
34°
23
61°
44°
24
59°
42°
25
51°
38°
26
51°
38°
27
57°
47°
28
51°
40°
29
48°
38°
30
50°
39°
1
47°
37°
2
49°
36°
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 47° to 61°, with overnight lows between 34° and 47°. The average high for April is 53° with an average low of 39°. 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.
