S
M
T
W
T
F
S
26
83°
66°
27
85°
67°
28
86°
66°
29
84°
65°
30
84°
63°
31
77°
62°
1
78°
65°
2
85°
67°
3
86°
67°
4
86°
66°
5
85°
66°
6
83°
65°
7
83°
64°
8
81°
58°
9
84°
55°
10
76°
58°
11
77°
57°
12
78°
56°
13
77°
57°
14
77°
55°
15
76°
62°
16
77°
59°
17
80°
58°
18
76°
56°
19
78°
55°
20
81°
55°
21
82°
57°
22
82°
61°
23
83°
63°
24
83°
63°
25
84°
62°
26
84°
61°
27
83°
53°
28
78°
53°
29
74°
54°
30
75°
53°
31
74°
52°
1
75°
53°
2
73°
51°
3
73°
51°
4
76°
55°
5
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in DeForest
DeForest's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 51° and 67°. 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 DeForest. See also: September | October | November.
