S
M
T
W
T
F
S
26
85°
69°
27
90°
72°
28
91°
69°
29
85°
70°
30
86°
72°
31
88°
71°
1
90°
71°
2
84°
75°
3
89°
75°
4
88°
73°
5
89°
75°
6
91°
75°
7
92°
74°
8
93°
74°
9
94°
76°
10
93°
71°
11
89°
71°
12
89°
72°
13
93°
73°
14
86°
70°
15
86°
71°
16
87°
77°
17
95°
74°
18
88°
71°
19
87°
73°
20
91°
75°
21
93°
72°
22
96°
74°
23
93°
71°
24
86°
70°
25
83°
71°
26
87°
71°
27
89°
73°
28
84°
67°
29
83°
69°
30
88°
72°
31
89°
73°
1
89°
72°
2
88°
72°
3
89°
73°
4
88°
72°
5
86°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Capitol Hill
Capitol Hill's August 2026 forecast shows daily high temperatures ranging from 83° to 96°, with overnight lows between 67° and 77°. The average high for August is 89° with an average low of 72°. 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 Capitol Hill. See also: September | October | November.
