S
M
T
W
T
F
S
26
66°
37°
27
74°
33°
28
71°
40°
29
69°
48°
30
53°
44°
1
58°
43°
2
54°
36°
3
53°
40°
4
63°
49°
5
70°
55°
6
60°
46°
7
57°
37°
8
52°
35°
9
56°
40°
10
59°
42°
11
60°
39°
12
60°
42°
13
58°
43°
14
60°
40°
15
63°
40°
16
64°
38°
17
63°
38°
18
64°
47°
19
66°
47°
20
69°
46°
21
72°
48°
22
70°
43°
23
63°
43°
24
65°
44°
25
65°
41°
26
66°
43°
27
66°
45°
28
65°
47°
29
69°
50°
30
70°
48°
31
71°
43°
1
67°
42°
2
66°
42°
3
67°
43°
4
67°
44°
5
68°
44°
6
68°
45°
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 52° to 72°, with overnight lows between 35° and 55°. The average high for May is 64° with an average low of 43°. 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.
