S
M
T
W
T
F
S
26
91°
72°
27
93°
71°
28
93°
72°
29
94°
72°
30
94°
71°
31
93°
71°
1
89°
70°
2
87°
71°
3
89°
71°
4
92°
70°
5
93°
71°
6
93°
70°
7
91°
66°
8
94°
66°
9
92°
67°
10
93°
65°
11
89°
64°
12
90°
65°
13
93°
68°
14
94°
69°
15
90°
69°
16
90°
68°
17
91°
67°
18
89°
69°
19
88°
67°
20
88°
68°
21
89°
66°
22
87°
63°
23
91°
63°
24
92°
64°
25
93°
67°
26
93°
67°
27
92°
66°
28
92°
65°
29
89°
65°
30
90°
66°
31
89°
65°
1
85°
62°
2
85°
60°
3
86°
60°
4
84°
59°
5
84°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Normal
Normal's August 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 59° and 72°. The average high for August is 90° 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 Normal. See also: September | October | November.
