S
M
T
W
T
F
S
26
70°
57°
27
71°
56°
28
74°
56°
29
72°
52°
30
74°
55°
31
74°
56°
1
73°
56°
2
75°
57°
3
76°
57°
4
75°
56°
5
76°
57°
6
77°
58°
7
77°
58°
8
76°
57°
9
77°
58°
10
77°
58°
11
76°
57°
12
75°
57°
13
75°
56°
14
76°
57°
15
75°
56°
16
75°
56°
17
74°
55°
18
75°
56°
19
74°
55°
20
73°
55°
21
75°
52°
22
70°
48°
23
70°
51°
24
71°
52°
25
73°
54°
26
73°
54°
27
72°
53°
28
70°
53°
29
71°
54°
30
68°
55°
31
72°
54°
1
72°
53°
2
73°
51°
3
70°
52°
4
71°
53°
5
70°
48°
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 68° to 77°, with overnight lows between 48° 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 Biggin Hill. See also: September | October | November.