S
M
T
W
T
F
S
31
70°
31°
1
65°
37°
2
77°
35°
3
76°
51°
4
72°
54°
5
80°
60°
6
79°
63°
7
71°
55°
8
68°
54°
9
73°
53°
10
73°
57°
11
74°
59°
12
74°
59°
13
75°
58°
14
74°
56°
15
76°
56°
16
75°
57°
17
72°
59°
18
73°
61°
19
77°
61°
20
77°
59°
21
78°
58°
22
74°
55°
23
73°
56°
24
74°
62°
25
74°
63°
26
80°
62°
27
78°
57°
28
74°
58°
29
75°
58°
30
76°
59°
1
75°
58°
2
76°
59°
3
80°
64°
4
82°
65°
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 68° to 82°, with overnight lows between 51° and 65°. The average high for June is 75° with an average low of 58°. 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.
