S
M
T
W
T
F
S
26
87°
69°
27
88°
70°
28
88°
69°
29
88°
70°
30
88°
70°
31
89°
69°
1
89°
70°
2
90°
71°
3
91°
71°
4
90°
70°
5
88°
71°
6
91°
71°
7
92°
70°
8
91°
71°
9
92°
70°
10
92°
69°
11
93°
69°
12
91°
70°
13
93°
68°
14
92°
69°
15
91°
70°
16
93°
70°
17
93°
69°
18
92°
69°
19
93°
64°
20
88°
64°
21
88°
65°
22
89°
65°
23
88°
66°
24
88°
65°
25
89°
64°
26
88°
64°
27
89°
65°
28
89°
64°
29
92°
64°
30
92°
66°
31
91°
68°
1
89°
67°
2
88°
66°
3
89°
66°
4
91°
65°
5
89°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Forest
Forest's August 2026 forecast shows daily high temperatures ranging from 87° to 93°, with overnight lows between 64° and 71°. The average high for August is 90° with an average low of 68°. 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. See also: September | October | November.