S
M
T
W
T
F
S
26
66°
57°
27
63°
58°
28
65°
57°
29
65°
56°
30
63°
57°
31
65°
57°
1
64°
56°
2
65°
57°
3
65°
57°
4
64°
56°
5
65°
57°
6
66°
57°
7
65°
56°
8
65°
57°
9
64°
58°
10
66°
57°
11
65°
57°
12
65°
58°
13
64°
57°
14
65°
54°
15
62°
56°
16
63°
57°
17
65°
54°
18
64°
53°
19
65°
54°
20
63°
53°
21
62°
57°
22
61°
59°
23
64°
59°
24
64°
58°
25
65°
56°
26
63°
54°
27
60°
53°
28
61°
55°
29
62°
56°
30
62°
58°
31
63°
57°
1
62°
58°
2
66°
58°
3
67°
57°
4
63°
55°
5
62°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Forest Hill
Forest Hill's August 2026 forecast shows daily high temperatures ranging from 60° to 67°, with overnight lows between 53° and 59°. The average high for August is 64° 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 Forest Hill. See also: September | October | November.