S
M
T
W
T
F
S
26
87°
70°
27
88°
71°
28
87°
71°
29
87°
70°
30
88°
71°
31
89°
71°
1
91°
70°
2
90°
70°
3
91°
67°
4
88°
70°
5
89°
69°
6
87°
70°
7
90°
66°
8
89°
65°
9
87°
66°
10
91°
65°
11
91°
65°
12
90°
69°
13
91°
70°
14
91°
69°
15
90°
68°
16
88°
69°
17
87°
69°
18
86°
68°
19
91°
66°
20
85°
65°
21
85°
65°
22
86°
67°
23
85°
64°
24
85°
63°
25
86°
63°
26
87°
68°
27
89°
69°
28
90°
68°
29
90°
68°
30
89°
67°
31
89°
65°
1
88°
63°
2
82°
60°
3
83°
61°
4
85°
63°
5
87°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Red Oak
Red Oak's August 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 60° and 71°. The average high for August is 88° with an average low of 67°. 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 Red Oak. See also: September | October | November.