S
M
T
W
T
F
S
26
72°
57°
27
73°
52°
28
74°
53°
29
75°
54°
30
75°
55°
31
74°
54°
1
74°
58°
2
77°
56°
3
77°
57°
4
76°
54°
5
77°
55°
6
77°
56°
7
76°
57°
8
77°
55°
9
74°
53°
10
72°
51°
11
72°
52°
12
75°
54°
13
74°
56°
14
72°
53°
15
72°
54°
16
76°
56°
17
75°
57°
18
76°
57°
19
76°
54°
20
72°
56°
21
72°
56°
22
75°
54°
23
74°
54°
24
73°
55°
25
70°
55°
26
72°
54°
27
72°
51°
28
71°
54°
29
71°
55°
30
69°
55°
31
73°
56°
1
73°
55°
2
74°
54°
3
74°
53°
4
73°
53°
5
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Great Leighs
Great Leighs's August 2026 forecast shows daily high temperatures ranging from 69° to 77°, with overnight lows between 51° and 58°. The average high for August is 74° 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 Great Leighs. See also: September | October | November.