S
M
T
W
T
F
S
26
87°
70°
27
89°
71°
28
90°
71°
29
87°
70°
30
90°
71°
31
90°
71°
1
89°
70°
2
90°
71°
3
90°
72°
4
91°
71°
5
90°
70°
6
86°
70°
7
88°
71°
8
89°
68°
9
83°
64°
10
83°
64°
11
84°
65°
12
83°
69°
13
83°
69°
14
85°
68°
15
88°
69°
16
85°
69°
17
88°
62°
18
83°
62°
19
84°
68°
20
88°
67°
21
89°
68°
22
88°
69°
23
89°
68°
24
88°
67°
25
87°
67°
26
81°
65°
27
81°
63°
28
80°
64°
29
81°
64°
30
81°
65°
31
82°
66°
1
86°
66°
2
87°
65°
3
87°
65°
4
86°
58°
5
79°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in James Madison District
James Madison District's August 2026 forecast shows daily high temperatures ranging from 79° to 91°, with overnight lows between 58° and 72°. The average high for August is 86° with an average low of 67°. 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 James Madison District. See also: September | October | November.