S
M
T
W
T
F
S
26
87°
77°
27
88°
79°
28
89°
80°
29
88°
76°
30
N/A
1
86°
79°
2
87°
78°
3
88°
79°
4
88°
79°
5
88°
78°
6
88°
79°
7
87°
77°
8
86°
78°
9
86°
76°
10
89°
79°
11
90°
80°
12
89°
78°
13
90°
79°
14
85°
79°
15
84°
79°
16
86°
80°
17
86°
80°
18
87°
79°
19
86°
79°
20
86°
80°
21
87°
80°
22
86°
79°
23
86°
80°
24
87°
81°
25
86°
80°
26
86°
80°
27
87°
81°
28
86°
80°
29
86°
81°
30
87°
80°
31
86°
80°
1
86°
80°
2
87°
80°
3
85°
80°
4
86°
79°
5
86°
81°
6
87°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Capitol Hill
Capitol Hill's May 2026 forecast shows daily high temperatures ranging from 84° to 90°, with overnight lows between 76° and 81°. The average high for May is 87° with an average low of 79°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Capitol Hill. See also: June | July | August.
