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
76°
59°
10
82°
55°
11
64°
49°
12
71°
46°
13
77°
57°
14
63°
52°
15
73°
52°
16
85°
63°
17
90°
63°
18
98°
70°
19
96°
70°
20
93°
63°
21
67°
56°
22
63°
54°
23
74°
59°
24
76°
62°
25
79°
64°
26
80°
64°
27
81°
63°
28
82°
66°
29
83°
62°
30
83°
67°
31
82°
66°
1
83°
66°
2
80°
67°
3
77°
67°
4
80°
66°
5
78°
64°
6
79°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Federal Triangle
Federal Triangle's May 2026 forecast shows daily high temperatures ranging from 63° to 98°, with overnight lows between 54° and 70°. The average high for May is 81° with an average low of 64°. 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 Federal Triangle. See also: June | July | August.
