S
M
T
W
T
F
S
26
73°
58°
27
71°
58°
28
71°
57°
29
72°
55°
30
73°
57°
31
73°
58°
1
72°
57°
2
73°
58°
3
73°
58°
4
72°
57°
5
73°
58°
6
74°
59°
7
75°
59°
8
74°
58°
9
75°
59°
10
74°
59°
11
73°
58°
12
73°
58°
13
72°
57°
14
73°
58°
15
72°
57°
16
72°
57°
17
71°
56°
18
72°
57°
19
71°
56°
20
71°
57°
21
72°
53°
22
68°
51°
23
69°
52°
24
70°
53°
25
70°
55°
26
69°
56°
27
71°
55°
28
70°
55°
29
68°
54°
30
66°
56°
31
70°
56°
1
70°
55°
2
69°
52°
3
67°
53°
4
69°
55°
5
68°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Box Hill
Box Hill's August 2026 forecast shows daily high temperatures ranging from 66° to 75°, with overnight lows between 50° and 59°. The average high for August is 71° with an average low of 56°. 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 Box Hill. See also: September | October | November.