S
M
T
W
T
F
S
31
73°
34°
1
65°
40°
2
77°
47°
3
82°
53°
4
89°
53°
5
92°
60°
6
88°
62°
7
75°
58°
8
78°
57°
9
80°
58°
10
78°
59°
11
80°
62°
12
83°
59°
13
84°
60°
14
83°
65°
15
75°
51°
16
73°
51°
17
74°
52°
18
75°
53°
19
76°
54°
20
76°
53°
21
77°
53°
22
76°
54°
23
76°
56°
24
77°
59°
25
78°
55°
26
77°
54°
27
78°
61°
28
82°
60°
29
79°
58°
30
80°
56°
1
78°
56°
2
78°
58°
3
80°
62°
4
83°
63°
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 65° to 92°, with overnight lows between 40° and 65°. The average high for June is 79° with an average low of 56°. 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.
