S
M
T
W
T
F
S
26
60°
40°
27
63°
37°
28
57°
37°
29
60°
33°
30
56°
34°
1
61°
37°
2
58°
39°
3
57°
38°
4
57°
36°
5
58°
36°
6
60°
43°
7
68°
40°
8
60°
39°
9
61°
38°
10
60°
40°
11
61°
42°
12
71°
49°
13
65°
43°
14
62°
47°
15
67°
42°
16
63°
42°
17
70°
49°
18
72°
54°
19
74°
54°
20
75°
50°
21
68°
49°
22
72°
48°
23
71°
51°
24
73°
54°
25
77°
54°
26
78°
56°
27
79°
55°
28
80°
54°
29
76°
57°
30
75°
53°
31
78°
49°
1
72°
48°
2
71°
46°
3
72°
49°
4
73°
54°
5
74°
59°
6
74°
51°
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 56° to 80°, with overnight lows between 33° and 59°. The average high for May is 68° with an average low of 46°. 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.
