S
M
T
W
T
F
S
26
81°
60°
27
70°
54°
28
71°
54°
29
74°
56°
30
75°
56°
31
75°
54°
1
76°
56°
2
75°
56°
3
75°
55°
4
74°
54°
5
75°
56°
6
76°
56°
7
76°
55°
8
74°
56°
9
75°
54°
10
73°
53°
11
75°
56°
12
76°
56°
13
76°
57°
14
75°
57°
15
77°
56°
16
77°
56°
17
76°
55°
18
75°
55°
19
75°
54°
20
74°
56°
21
75°
56°
22
75°
54°
23
73°
55°
24
70°
54°
25
69°
49°
26
69°
52°
27
70°
51°
28
71°
51°
29
69°
53°
30
69°
54°
31
70°
48°
1
70°
47°
2
68°
52°
3
68°
47°
4
72°
46°
5
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kingston upon Thames
Kingston upon Thames's August 2026 forecast shows daily high temperatures ranging from 68° to 81°, with overnight lows between 46° and 60°. The average high for August is 73° with an average low of 54°. 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 Kingston upon Thames. See also: September | October | November.