S
M
T
W
T
F
S
26
89°
73°
27
92°
74°
28
92°
74°
29
91°
73°
30
91°
73°
31
89°
72°
1
86°
73°
2
85°
68°
3
86°
72°
4
87°
71°
5
87°
72°
6
86°
71°
7
86°
72°
8
87°
71°
9
86°
72°
10
85°
72°
11
85°
71°
12
86°
71°
13
85°
70°
14
85°
70°
15
86°
69°
16
85°
68°
17
85°
70°
18
86°
68°
19
85°
68°
20
86°
71°
21
88°
65°
22
85°
63°
23
83°
63°
24
85°
64°
25
84°
67°
26
88°
68°
27
91°
70°
28
92°
70°
29
91°
69°
30
91°
64°
31
85°
62°
1
83°
68°
2
83°
66°
3
87°
63°
4
88°
69°
5
89°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Greater Capitol Heights
Greater Capitol Heights's August 2026 forecast shows daily high temperatures ranging from 83° to 92°, with overnight lows between 62° and 74°. The average high for August is 87° with an average low of 69°. 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 Greater Capitol Heights. See also: September | October | November.