S
M
T
W
T
F
S
26
95°
75°
27
99°
77°
28
97°
72°
29
100°
75°
30
96°
75°
31
95°
72°
1
90°
72°
2
88°
74°
3
88°
74°
4
90°
72°
5
92°
74°
6
91°
73°
7
93°
70°
8
89°
75°
9
92°
73°
10
93°
74°
11
96°
76°
12
N/A
13
96°
76°
14
95°
75°
15
90°
74°
16
95°
74°
17
96°
75°
18
98°
75°
19
95°
74°
20
94°
73°
21
96°
73°
22
92°
72°
23
94°
72°
24
92°
74°
25
90°
71°
26
88°
73°
27
88°
72°
28
89°
73°
29
87°
72°
30
87°
70°
31
88°
71°
1
87°
70°
2
87°
71°
3
89°
71°
4
87°
72°
5
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Madison
Madison's August 2026 forecast shows daily high temperatures ranging from 86° to 98°, with overnight lows between 70° and 76°. The average high for August is 91° with an average low of 73°. 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.
