S
M
T
W
T
F
S
31
58°
40°
1
58°
40°
2
57°
41°
3
59°
40°
4
60°
46°
5
65°
52°
6
70°
53°
7
71°
53°
8
70°
51°
9
70°
47°
10
62°
44°
11
60°
42°
12
62°
46°
13
63°
43°
14
61°
43°
15
61°
44°
16
62°
46°
17
65°
51°
18
68°
54°
19
69°
54°
20
73°
53°
21
68°
51°
22
70°
56°
23
73°
56°
24
73°
55°
25
74°
57°
26
68°
49°
27
68°
55°
28
73°
49°
29
75°
48°
30
68°
51°
1
69°
56°
2
69°
59°
3
77°
59°
4
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Southampton
Southampton's June 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 40° and 59°. The average high for June is 67° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Southampton. See also: July | August | September.
