S
M
T
W
T
F
S
26
58°
46°
27
70°
45°
28
63°
50°
29
62°
54°
30
70°
49°
1
67°
44°
2
63°
49°
3
64°
44°
4
77°
51°
5
86°
61°
6
71°
59°
7
63°
51°
8
74°
48°
9
74°
50°
10
81°
57°
11
65°
48°
12
65°
52°
13
66°
56°
14
69°
54°
15
71°
55°
16
75°
59°
17
81°
62°
18
83°
65°
19
81°
62°
20
81°
62°
21
80°
63°
22
84°
60°
23
82°
65°
24
81°
64°
25
82°
65°
26
83°
66°
27
83°
66°
28
84°
65°
29
83°
67°
30
84°
67°
31
85°
66°
1
83°
65°
2
77°
61°
3
77°
63°
4
80°
67°
5
78°
68°
6
84°
68°
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 65° to 85°, with overnight lows between 48° and 68°. The average high for May is 79° with an average low of 62°. 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.
