S
M
T
W
T
F
S
28
86°
67°
29
92°
67°
30
93°
71°
1
93°
71°
2
95°
71°
3
97°
71°
4
92°
74°
5
91°
70°
6
88°
70°
7
89°
70°
8
90°
69°
9
84°
71°
10
80°
70°
11
82°
68°
12
87°
66°
13
87°
66°
14
91°
66°
15
95°
70°
16
93°
72°
17
94°
71°
18
92°
69°
19
89°
68°
20
88°
67°
21
90°
68°
22
86°
65°
23
83°
62°
24
91°
70°
25
91°
69°
26
90°
70°
27
90°
69°
28
89°
69°
29
85°
68°
30
82°
68°
31
83°
67°
1
82°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in West Portsmouth
West Portsmouth's July 2026 forecast shows daily high temperatures ranging from 80° to 95°, with overnight lows between 62° and 72°. The average high for July is 88° with an average low of 68°. 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 West Portsmouth. See also: August | September | October.
