S
M
T
W
T
F
S
26
91°
76°
27
92°
76°
28
91°
75°
29
89°
75°
30
90°
71°
31
85°
69°
1
84°
69°
2
85°
72°
3
86°
75°
4
85°
72°
5
86°
70°
6
88°
75°
7
91°
75°
8
89°
74°
9
88°
75°
10
88°
70°
11
87°
68°
12
87°
69°
13
86°
74°
14
90°
75°
15
91°
73°
16
91°
76°
17
92°
74°
18
91°
72°
19
90°
67°
20
84°
67°
21
83°
68°
22
83°
66°
23
84°
66°
24
83°
67°
25
84°
66°
26
85°
66°
27
84°
67°
28
84°
67°
29
85°
66°
30
82°
66°
31
85°
69°
1
88°
66°
2
87°
65°
3
80°
64°
4
81°
65°
5
82°
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 80° to 92°, with overnight lows between 64° and 76°. The average high for August is 87° with an average low of 70°. 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.
