S
M
T
W
T
F
S
26
80°
62°
27
81°
67°
28
79°
68°
29
87°
66°
30
86°
69°
31
87°
62°
1
79°
62°
2
83°
61°
3
81°
66°
4
85°
68°
5
Hist. Avg.
84°
68°
6
Hist. Avg.
84°
68°
7
Hist. Avg.
84°
68°
8
Hist. Avg.
84°
67°
9
Hist. Avg.
84°
67°
10
Hist. Avg.
83°
67°
11
Hist. Avg.
83°
67°
12
Hist. Avg.
83°
67°
13
Hist. Avg.
83°
67°
14
Hist. Avg.
83°
67°
15
Hist. Avg.
83°
67°
16
Hist. Avg.
83°
67°
17
Hist. Avg.
83°
66°
18
Hist. Avg.
83°
66°
19
Hist. Avg.
82°
66°
20
Hist. Avg.
82°
66°
21
Hist. Avg.
82°
66°
22
Hist. Avg.
82°
66°
23
Hist. Avg.
82°
66°
24
Hist. Avg.
82°
66°
25
Hist. Avg.
82°
65°
26
Hist. Avg.
82°
65°
27
Hist. Avg.
81°
65°
28
Hist. Avg.
81°
65°
29
Hist. Avg.
81°
64°
30
Hist. Avg.
81°
64°
31
Hist. Avg.
81°
64°
1
Hist. Avg.
80°
64°
2
Hist. Avg.
80°
64°
3
Hist. Avg.
80°
63°
4
Hist. Avg.
80°
63°
5
Hist. Avg.
80°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Oak Forest
Oak Forest's August 2026 forecast shows daily high temperatures ranging from 79° to 87°, with overnight lows between 61° and 69°. The average high for August is 83° with an average low of 65°. 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 Oak Forest. See also: September | October | November.
