S
M
T
W
T
F
S
26
92°
76°
27
92°
76°
28
93°
75°
29
93°
76°
30
92°
75°
31
92°
75°
1
91°
76°
2
94°
75°
3
88°
73°
4
92°
75°
5
93°
76°
6
93°
76°
7
92°
74°
8
88°
70°
9
92°
73°
10
87°
69°
11
89°
73°
12
91°
73°
13
93°
74°
14
92°
75°
15
93°
74°
16
93°
74°
17
92°
67°
18
90°
65°
19
84°
64°
20
83°
65°
21
84°
65°
22
84°
66°
23
85°
66°
24
84°
65°
25
85°
66°
26
87°
70°
27
89°
64°
28
84°
64°
29
84°
65°
30
87°
66°
31
87°
67°
1
89°
64°
2
83°
63°
3
82°
70°
4
86°
69°
5
85°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Forest Park Southeast
Forest Park Southeast's August 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 63° and 76°. The average high for August is 89° 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 Park Southeast. See also: September | October | November.
