S
M
T
W
T
F
S
26
79°
66°
27
81°
63°
28
84°
66°
29
N/A
30
81°
58°
31
77°
55°
1
78°
56°
2
78°
62°
3
78°
62°
4
75°
57°
5
73°
57°
6
74°
56°
7
75°
58°
8
74°
56°
9
75°
58°
10
78°
59°
11
74°
56°
12
75°
56°
13
74°
55°
14
76°
57°
15
76°
57°
16
75°
56°
17
75°
57°
18
74°
55°
19
74°
56°
20
73°
56°
21
73°
53°
22
72°
51°
23
70°
55°
24
71°
54°
25
72°
55°
26
71°
55°
27
72°
54°
28
72°
52°
29
69°
54°
30
69°
52°
31
70°
49°
1
66°
48°
2
66°
50°
3
67°
50°
4
66°
47°
5
65°
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 65° to 81°, with overnight lows between 47° and 62°. 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.