S
M
T
W
T
F
S
26
69°
39°
27
58°
47°
28
58°
47°
29
65°
47°
30
75°
49°
1
72°
53°
2
73°
51°
3
79°
54°
4
78°
53°
5
65°
54°
6
66°
50°
7
67°
51°
8
64°
52°
9
68°
51°
10
68°
53°
11
70°
52°
12
73°
52°
13
73°
50°
14
72°
51°
15
75°
53°
16
69°
51°
17
67°
49°
18
69°
51°
19
66°
49°
20
60°
45°
21
61°
50°
22
61°
47°
23
64°
48°
24
69°
53°
25
69°
51°
26
62°
46°
27
61°
46°
28
66°
54°
29
63°
55°
30
65°
52°
31
71°
53°
1
72°
55°
2
72°
54°
3
65°
49°
4
70°
51°
5
72°
49°
6
63°
50°
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 60° to 75°, with overnight lows between 45° and 55°. The average high for May is 67° with an average low of 51°. 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.
