S
M
T
W
T
F
S
28
79°
64°
29
77°
59°
30
75°
64°
1
79°
64°
2
77°
63°
3
81°
59°
4
84°
63°
5
82°
64°
6
90°
63°
7
86°
64°
8
87°
67°
9
90°
67°
10
86°
65°
11
86°
65°
12
86°
63°
13
83°
62°
14
82°
63°
15
84°
64°
16
82°
64°
17
80°
63°
18
81°
64°
19
75°
56°
20
71°
53°
21
74°
57°
22
73°
54°
23
73°
53°
24
75°
56°
25
75°
55°
26
74°
54°
27
73°
53°
28
75°
57°
29
74°
57°
30
73°
56°
31
72°
53°
1
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in London
London's July 2026 forecast shows daily high temperatures ranging from 71° to 90°, with overnight lows between 52° and 67°. The average high for July is 79° 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 London. See also: August | September | October.