S
M
T
W
T
F
S
26
98°
75°
27
99°
76°
28
99°
77°
29
99°
77°
30
97°
77°
31
97°
75°
1
98°
76°
2
85°
68°
3
90°
69°
4
94°
67°
5
94°
67°
6
94°
71°
7
94°
72°
8
92°
72°
9
92°
72°
10
89°
70°
11
87°
69°
12
88°
70°
13
89°
69°
14
89°
71°
15
89°
70°
16
91°
69°
17
90°
68°
18
91°
68°
19
93°
71°
20
93°
71°
21
92°
70°
22
92°
70°
23
91°
69°
24
92°
70°
25
92°
70°
26
91°
69°
27
92°
70°
28
92°
70°
29
93°
68°
30
92°
69°
31
91°
69°
1
90°
68°
2
92°
69°
3
93°
69°
4
91°
68°
5
91°
66°
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 94°, with overnight lows between 66° and 72°. The average high for August is 91° with an average low of 70°. 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.