S
M
T
W
T
F
S
26
55°
44°
27
68°
35°
28
67°
37°
29
70°
45°
30
73°
50°
1
68°
37°
2
60°
45°
3
64°
41°
4
78°
47°
5
85°
60°
6
71°
62°
7
68°
42°
8
72°
41°
9
78°
52°
10
86°
51°
11
64°
41°
12
73°
37°
13
78°
51°
14
65°
48°
15
73°
41°
16
86°
48°
17
92°
60°
18
95°
64°
19
97°
72°
20
96°
71°
21
82°
59°
22
60°
56°
23
60°
55°
24
70°
57°
25
75°
67°
26
77°
69°
27
83°
65°
28
81°
55°
29
79°
58°
30
74°
51°
31
75°
54°
1
76°
54°
2
77°
56°
3
78°
57°
4
81°
59°
5
79°
60°
6
83°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Washington District
Washington District's May 2026 forecast shows daily high temperatures ranging from 74° to 83°, with overnight lows between 51° and 69°. The average high for May is 78° with an average low of 59°. 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 Washington District. See also: June | July | August.
