S
M
T
W
T
F
S
26
81°
60°
27
81°
65°
28
76°
60°
29
76°
56°
30
81°
55°
31
83°
61°
1
79°
63°
2
79°
62°
3
82°
61°
4
86°
65°
5
86°
61°
6
81°
62°
7
79°
62°
8
79°
63°
9
80°
67°
10
80°
63°
11
78°
62°
12
79°
64°
13
80°
62°
14
76°
60°
15
77°
62°
16
77°
62°
17
80°
61°
18
79°
62°
19
76°
61°
20
79°
62°
21
76°
61°
22
76°
62°
23
80°
60°
24
79°
55°
25
71°
56°
26
75°
62°
27
77°
62°
28
79°
61°
29
77°
60°
30
75°
55°
31
69°
52°
1
69°
53°
2
68°
52°
3
69°
58°
4
73°
59°
5
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in London
London's August 2026 forecast shows daily high temperatures ranging from 68° to 86°, with overnight lows between 52° and 67°. The average high for August is 78° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in London. See also: September | October | November.
