S
M
T
W
T
F
S
31
73°
34°
1
64°
43°
2
78°
39°
3
84°
46°
4
88°
48°
5
88°
49°
6
87°
57°
7
80°
61°
8
79°
52°
9
86°
51°
10
89°
57°
11
94°
66°
12
95°
72°
13
88°
60°
14
91°
55°
15
75°
59°
16
78°
51°
17
81°
49°
18
85°
60°
19
81°
60°
20
78°
57°
21
81°
56°
22
71°
60°
23
81°
58°
24
83°
57°
25
78°
58°
26
79°
56°
27
83°
62°
28
79°
63°
29
81°
63°
30
82°
64°
1
83°
65°
2
86°
70°
3
80°
62°
4
81°
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 71° to 86°, with overnight lows between 56° and 70°. The average high for June is 80° with an average low of 61°. 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.
