S
M
T
W
T
F
S
28
75°
54°
29
70°
46°
30
72°
57°
1
77°
54°
2
79°
59°
3
75°
48°
4
81°
57°
5
82°
59°
6
85°
61°
7
82°
64°
8
82°
62°
9
82°
66°
10
83°
66°
11
85°
65°
12
84°
65°
13
83°
61°
14
80°
62°
15
79°
62°
16
78°
61°
17
77°
59°
18
76°
60°
19
72°
57°
20
70°
55°
21
72°
57°
22
71°
54°
23
71°
54°
24
72°
57°
25
73°
57°
26
72°
56°
27
72°
54°
28
73°
58°
29
72°
58°
30
69°
56°
31
69°
54°
1
70°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Portchester Castle
Portchester Castle's July 2026 forecast shows daily high temperatures ranging from 69° to 85°, with overnight lows between 53° and 66°. The average high for July is 76° 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 Portchester Castle. See also: August | September | October.
