S
M
T
W
T
F
S
26
86°
66°
27
86°
66°
28
85°
65°
29
86°
64°
30
82°
59°
31
78°
58°
1
78°
64°
2
79°
63°
3
83°
64°
4
84°
64°
5
81°
65°
6
83°
64°
7
80°
62°
8
77°
62°
9
77°
60°
10
80°
61°
11
82°
63°
12
83°
64°
13
84°
65°
14
85°
59°
15
81°
66°
16
86°
60°
17
84°
55°
18
77°
55°
19
74°
53°
20
75°
54°
21
76°
54°
22
77°
55°
23
77°
54°
24
78°
55°
25
80°
58°
26
81°
61°
27
82°
54°
28
75°
53°
29
75°
54°
30
76°
60°
31
79°
53°
1
78°
52°
2
73°
51°
3
74°
53°
4
77°
61°
5
81°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in DeWitt
DeWitt's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 51° and 66°. The average high for August is 80° with an average low of 59°. 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 DeWitt. See also: September | October | November.
