S
M
T
W
T
F
S
26
98°
75°
27
99°
76°
28
99°
77°
29
99°
77°
30
97°
77°
31
97°
75°
1
98°
76°
2
85°
68°
3
90°
69°
4
94°
67°
5
97°
66°
6
92°
69°
7
92°
71°
8
93°
73°
9
95°
71°
10
96°
74°
11
95°
74°
12
98°
76°
13
98°
78°
14
100°
74°
15
99°
73°
16
102°
76°
17
101°
77°
18
103°
79°
19
100°
76°
20
101°
77°
21
102°
74°
22
100°
72°
23
97°
74°
24
84°
72°
25
95°
71°
26
99°
73°
27
89°
73°
28
94°
71°
29
94°
66°
30
94°
72°
31
94°
73°
1
95°
74°
2
94°
71°
3
95°
73°
4
94°
74°
5
97°
71°
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 94° to 97°, with overnight lows between 71° and 74°. The average high for August is 95° 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.
