S
M
T
W
T
F
S
26
98°
54°
27
96°
54°
28
99°
58°
29
100°
59°
30
101°
55°
31
103°
61°
1
106°
63°
2
103°
62°
3
105°
63°
4
106°
64°
5
104°
62°
6
100°
60°
7
101°
61°
8
95°
58°
9
95°
60°
10
97°
61°
11
97°
61°
12
95°
60°
13
93°
61°
14
92°
60°
15
92°
61°
16
93°
60°
17
96°
61°
18
96°
61°
19
95°
60°
20
96°
61°
21
96°
61°
22
95°
60°
23
96°
61°
24
92°
61°
25
89°
57°
26
89°
60°
27
90°
59°
28
88°
59°
29
88°
58°
30
89°
57°
31
88°
59°
1
88°
58°
2
89°
58°
3
88°
59°
4
87°
59°
5
88°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Madison
Madison's August 2026 forecast shows daily high temperatures ranging from 87° to 106°, with overnight lows between 54° and 64°. The average high for August is 95° with an average low of 60°. 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 Madison. See also: September | October | November.
