S
M
T
W
T
F
S
26
46°
38°
27
47°
38°
28
51°
30°
29
56°
30°
30
52°
32°
1
52°
27°
2
68°
32°
3
70°
41°
4
57°
35°
5
47°
29°
6
52°
32°
7
62°
36°
8
72°
37°
9
59°
38°
10
62°
33°
11
76°
31°
12
72°
51°
13
76°
39°
14
79°
55°
15
83°
46°
16
78°
41°
17
77°
52°
18
53°
43°
19
52°
38°
20
62°
28°
21
67°
43°
22
57°
48°
23
70°
46°
24
86°
48°
25
89°
59°
26
92°
64°
27
89°
63°
28
88°
63°
29
85°
63°
30
81°
59°
31
80°
59°
1
80°
58°
2
83°
58°
3
81°
59°
4
83°
58°
5
84°
60°
6
85°
62°
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 80° to 89°, with overnight lows between 58° and 63°. The average high for May is 84° with an average low of 60°. 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.
