S
M
T
W
T
F
S
28
83°
60°
29
84°
59°
30
79°
56°
1
85°
62°
2
87°
54°
3
82°
53°
4
81°
56°
5
82°
59°
6
88°
63°
7
89°
59°
8
86°
63°
9
82°
58°
10
88°
56°
11
87°
57°
12
80°
55°
13
81°
56°
14
83°
60°
15
85°
66°
16
88°
65°
17
Hist. Avg.
85°
61°
18
Hist. Avg.
85°
61°
19
Hist. Avg.
85°
62°
20
Hist. Avg.
85°
62°
21
Hist. Avg.
85°
62°
22
Hist. Avg.
85°
62°
23
Hist. Avg.
85°
62°
24
Hist. Avg.
85°
62°
25
Hist. Avg.
85°
62°
26
Hist. Avg.
85°
62°
27
Hist. Avg.
85°
62°
28
Hist. Avg.
85°
62°
29
Hist. Avg.
85°
62°
30
Hist. Avg.
85°
62°
31
Hist. Avg.
85°
61°
1
Hist. Avg.
85°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Southampton
Southampton's July 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 53° and 66°. The average high for July is 84° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Southampton. See also: August | September | October.
