S
M
T
W
T
F
S
26
88°
67°
27
85°
61°
28
81°
60°
29
80°
61°
30
81°
62°
31
80°
61°
1
81°
60°
2
81°
62°
3
82°
61°
4
81°
59°
5
84°
63°
6
87°
68°
7
Hist. Avg.
84°
64°
8
Hist. Avg.
83°
64°
9
Hist. Avg.
83°
64°
10
Hist. Avg.
83°
64°
11
Hist. Avg.
83°
64°
12
Hist. Avg.
83°
64°
13
Hist. Avg.
83°
64°
14
Hist. Avg.
83°
64°
15
Hist. Avg.
83°
64°
16
Hist. Avg.
82°
64°
17
Hist. Avg.
82°
64°
18
Hist. Avg.
82°
63°
19
Hist. Avg.
82°
63°
20
Hist. Avg.
82°
63°
21
Hist. Avg.
82°
63°
22
Hist. Avg.
82°
63°
23
Hist. Avg.
82°
62°
24
Hist. Avg.
82°
62°
25
Hist. Avg.
81°
62°
26
Hist. Avg.
81°
62°
27
Hist. Avg.
81°
62°
28
Hist. Avg.
81°
61°
29
Hist. Avg.
81°
61°
30
Hist. Avg.
80°
61°
31
Hist. Avg.
80°
61°
1
Hist. Avg.
80°
60°
2
Hist. Avg.
80°
60°
3
Hist. Avg.
80°
60°
4
Hist. Avg.
79°
59°
5
Hist. Avg.
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Forest Park
Forest Park's August 2026 forecast shows daily high temperatures ranging from 80° to 88°, with overnight lows between 59° and 68°. The average high for August is 83° with an average low of 62°. 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. See also: September | October | November.
