S
M
T
W
T
F
S
26
70°
56°
27
70°
54°
28
71°
55°
29
73°
57°
30
75°
56°
31
75°
56°
1
74°
57°
2
74°
57°
3
73°
56°
4
75°
55°
5
75°
56°
6
76°
57°
7
76°
56°
8
75°
57°
9
74°
55°
10
73°
54°
11
75°
57°
12
76°
57°
13
76°
58°
14
75°
58°
15
76°
57°
16
76°
57°
17
75°
56°
18
74°
56°
19
75°
55°
20
75°
57°
21
74°
57°
22
74°
55°
23
73°
56°
24
69°
55°
25
69°
50°
26
70°
53°
27
69°
52°
28
70°
52°
29
68°
55°
30
68°
55°
31
70°
49°
1
70°
48°
2
67°
53°
3
67°
48°
4
72°
47°
5
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Purley
Purley's August 2026 forecast shows daily high temperatures ranging from 67° to 76°, with overnight lows between 47° and 58°. The average high for August is 73° with an average low of 55°. 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 Purley. See also: September | October | November.