S
M
T
W
T
F
S
26
77°
57°
27
79°
50°
28
82°
46°
29
88°
55°
30
90°
57°
1
90°
63°
2
93°
66°
3
95°
73°
4
77°
68°
5
79°
57°
6
82°
52°
7
93°
57°
8
100°
66°
9
102°
70°
10
104°
68°
11
106°
72°
12
102°
73°
13
97°
72°
14
97°
70°
15
97°
70°
16
95°
70°
17
90°
64°
18
86°
63°
19
90°
61°
20
91°
57°
21
93°
61°
22
95°
64°
23
95°
68°
24
97°
68°
25
95°
70°
26
93°
68°
27
90°
63°
28
88°
61°
29
84°
61°
30
91°
59°
31
98°
67°
1
103°
70°
2
105°
68°
3
104°
65°
4
105°
67°
5
104°
67°
6
101°
66°
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 98° to 105°, with overnight lows between 65° and 70°. The average high for May is 103° with an average low of 67°. 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.
