S
M
T
W
T
F
S
26
67°
39°
27
63°
43°
28
61°
40°
29
66°
39°
30
70°
42°
1
69°
43°
2
67°
40°
3
65°
42°
4
64°
43°
5
66°
41°
6
65°
42°
7
67°
39°
8
68°
38°
9
68°
40°
10
67°
40°
11
68°
41°
12
62°
38°
13
61°
37°
14
63°
37°
15
65°
40°
16
69°
45°
17
69°
45°
18
65°
46°
19
67°
45°
20
69°
46°
21
70°
45°
22
67°
45°
23
64°
41°
24
65°
40°
25
67°
44°
26
71°
47°
27
69°
45°
28
72°
47°
29
72°
47°
30
71°
44°
31
63°
41°
1
65°
45°
2
64°
42°
3
72°
47°
4
73°
47°
5
64°
42°
6
68°
49°
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 61° to 73°, with overnight lows between 37° and 49°. The average high for May is 67° 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.
