S
M
T
W
T
F
S
31
68°
49°
1
68°
46°
2
63°
47°
3
66°
49°
4
69°
51°
5
69°
52°
6
68°
51°
7
64°
50°
8
61°
48°
9
62°
52°
10
69°
53°
11
71°
53°
12
70°
48°
13
63°
46°
14
63°
49°
15
64°
48°
16
63°
47°
17
66°
53°
18
68°
53°
19
67°
48°
20
69°
50°
21
73°
48°
22
74°
53°
23
75°
46°
24
68°
47°
25
67°
49°
26
67°
51°
27
68°
56°
28
71°
48°
29
72°
55°
30
76°
49°
1
69°
47°
2
69°
49°
3
70°
52°
4
69°
49°
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 61° to 76°, with overnight lows between 46° and 56°. The average high for June is 68° 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.
