S
M
T
W
T
F
S
26
86°
67°
27
86°
66°
28
85°
69°
29
91°
71°
30
86°
70°
31
91°
71°
1
90°
70°
2
89°
69°
3
86°
67°
4
86°
70°
5
85°
71°
6
88°
71°
7
90°
70°
8
90°
71°
9
86°
70°
10
87°
70°
11
87°
69°
12
84°
69°
13
85°
70°
14
87°
70°
15
90°
71°
16
90°
70°
17
88°
70°
18
89°
69°
19
89°
70°
20
88°
70°
21
89°
69°
22
89°
70°
23
88°
69°
24
84°
69°
25
85°
68°
26
86°
69°
27
86°
69°
28
84°
68°
29
88°
64°
30
88°
64°
31
89°
63°
1
87°
63°
2
86°
64°
3
87°
65°
4
87°
62°
5
86°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Knightdale
Knightdale's August 2026 forecast shows daily high temperatures ranging from 84° to 91°, with overnight lows between 62° and 71°. The average high for August is 87° with an average low of 68°. 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 Knightdale. See also: September | October | November.