S
M
T
W
T
F
S
26
79°
66°
27
81°
63°
28
84°
66°
29
93°
68°
30
82°
68°
31
77°
63°
1
79°
61°
2
81°
61°
3
84°
64°
4
85°
61°
5
79°
53°
6
75°
51°
7
77°
55°
8
86°
61°
9
84°
59°
10
79°
56°
11
80°
62°
12
81°
62°
13
81°
61°
14
79°
60°
15
79°
60°
16
80°
61°
17
70°
54°
18
69°
53°
19
69°
50°
20
68°
50°
21
67°
49°
22
68°
49°
23
68°
50°
24
71°
55°
25
73°
55°
26
73°
53°
27
72°
54°
28
71°
53°
29
72°
53°
30
73°
54°
31
73°
53°
1
71°
52°
2
69°
48°
3
66°
48°
4
66°
48°
5
68°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Biggin Hill
Biggin Hill's August 2026 forecast shows daily high temperatures ranging from 66° to 86°, with overnight lows between 47° and 62°. The average high for August is 74° 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 Biggin Hill. See also: September | October | November.