S
M
T
W
T
F
S
28
66°
55°
29
66°
54°
30
66°
55°
1
66°
57°
2
72°
55°
3
72°
54°
4
70°
59°
5
73°
57°
6
77°
57°
7
73°
57°
8
84°
57°
9
88°
64°
10
93°
66°
11
93°
59°
12
90°
59°
13
89°
61°
14
87°
63°
15
88°
64°
16
86°
61°
17
85°
59°
18
80°
59°
19
80°
58°
20
79°
57°
21
78°
56°
22
72°
56°
23
73°
54°
24
73°
56°
25
75°
56°
26
76°
55°
27
76°
56°
28
74°
55°
29
75°
54°
30
76°
56°
31
77°
56°
1
76°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Portishead
Portishead's July 2026 forecast shows daily high temperatures ranging from 72° to 93°, with overnight lows between 54° and 66°. The average high for July is 81° with an average low of 58°. 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 Portishead. See also: August | September | October.
