S
M
T
W
T
F
S
26
61°
51°
27
61°
50°
28
66°
44°
29
72°
50°
30
70°
57°
1
64°
54°
2
59°
54°
3
63°
50°
4
80°
50°
5
85°
58°
6
80°
63°
7
70°
51°
8
67°
50°
9
78°
53°
10
81°
60°
11
68°
50°
12
70°
49°
13
77°
50°
14
66°
57°
15
70°
53°
16
83°
52°
17
87°
65°
18
94°
71°
19
94°
71°
20
94°
69°
21
87°
61°
22
62°
57°
23
65°
61°
24
72°
68°
25
75°
67°
26
77°
69°
27
78°
68°
28
75°
63°
29
72°
60°
30
72°
58°
31
68°
57°
1
70°
58°
2
75°
60°
3
74°
62°
4
74°
64°
5
77°
63°
6
73°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Arlington
Arlington's May 2026 forecast shows daily high temperatures ranging from 65° to 78°, with overnight lows between 57° and 69°. The average high for May is 73° 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 Arlington. See also: June | July | August.
