S
M
T
W
T
F
S
29
52°
30°
30
57°
39°
31
66°
46°
1
55°
48°
2
54°
41°
3
59°
48°
4
55°
43°
5
54°
34°
6
55°
30°
7
68°
36°
8
73°
45°
9
66°
43°
10
52°
37°
11
55°
46°
12
57°
37°
13
54°
32°
14
55°
32°
15
61°
50°
16
61°
50°
17
61°
50°
18
61°
41°
19
59°
37°
20
57°
37°
21
57°
37°
22
N/A
23
70°
40°
24
69°
37°
25
67°
39°
26
66°
43°
27
67°
45°
28
62°
43°
29
64°
45°
30
65°
44°
1
66°
47°
2
61°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Southampton Airport
Southampton Airport's April 2026 forecast shows daily high temperatures ranging from 61° to 70°, with overnight lows between 37° and 47°. The average high for April is 66° 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 Southampton Airport. See also: May | June | July.
