S
M
T
W
T
F
S
26
66°
32°
27
69°
38°
28
66°
39°
29
71°
44°
30
75°
41°
1
79°
36°
2
84°
52°
3
85°
50°
4
87°
50°
5
83°
64°
6
86°
50°
7
78°
51°
8
79°
46°
9
77°
47°
10
79°
46°
11
76°
46°
12
85°
45°
13
69°
52°
14
66°
43°
15
62°
44°
16
65°
41°
17
69°
44°
18
71°
43°
19
74°
47°
20
76°
49°
21
77°
51°
22
82°
46°
23
86°
51°
24
84°
50°
25
78°
51°
26
67°
50°
27
80°
49°
28
90°
57°
29
67°
47°
30
72°
50°
31
77°
52°
1
80°
51°
2
84°
60°
3
83°
59°
4
79°
55°
5
81°
56°
6
76°
54°
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 67° to 84°, with overnight lows between 47° and 60°. The average high for May is 78° with an average low of 54°. 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.
