S
M
T
W
T
F
S
26
86°
60°
27
87°
54°
28
85°
57°
29
80°
58°
30
83°
59°
31
92°
54°
1
79°
58°
2
80°
52°
3
88°
56°
4
98°
57°
5
102°
57°
6
100°
55°
7
98°
58°
8
93°
55°
9
85°
51°
10
85°
53°
11
87°
54°
12
86°
53°
13
85°
53°
14
85°
54°
15
84°
52°
16
86°
54°
17
83°
50°
18
80°
51°
19
81°
50°
20
78°
48°
21
77°
51°
22
77°
47°
23
78°
53°
24
76°
46°
25
83°
52°
26
84°
53°
27
84°
53°
28
82°
52°
29
76°
52°
30
75°
45°
31
75°
49°
1
74°
47°
2
74°
45°
3
75°
47°
4
75°
47°
5
73°
48°
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 73° to 102°, with overnight lows between 45° and 58°. The average high for August is 83° with an average low of 51°. 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.
