S
M
T
W
T
F
S
26
51°
39°
27
54°
40°
28
55°
42°
29
55°
43°
30
59°
42°
1
58°
43°
2
61°
45°
3
60°
43°
4
60°
45°
5
61°
44°
6
60°
42°
7
60°
41°
8
63°
41°
9
61°
42°
10
61°
48°
11
62°
42°
12
61°
41°
13
63°
47°
14
69°
50°
15
64°
48°
16
66°
48°
17
65°
49°
18
67°
52°
19
73°
49°
20
72°
46°
21
63°
44°
22
66°
48°
23
68°
50°
24
70°
53°
25
74°
53°
26
75°
51°
27
66°
50°
28
67°
54°
29
67°
53°
30
68°
50°
31
68°
54°
1
76°
53°
2
74°
56°
3
76°
55°
4
75°
56°
5
76°
54°
6
74°
52°
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 51° to 76°, with overnight lows between 39° and 56°. The average high for May is 65° with an average low of 48°. 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.
