S
M
T
W
T
F
S
26
85°
61°
27
84°
70°
28
82°
64°
29
68°
61°
30
66°
50°
1
66°
46°
2
67°
42°
3
73°
54°
4
79°
61°
5
78°
60°
6
70°
49°
7
67°
48°
8
71°
54°
9
75°
55°
10
75°
58°
11
77°
62°
12
78°
58°
13
77°
60°
14
81°
59°
15
79°
64°
16
81°
64°
17
82°
65°
18
83°
65°
19
83°
64°
20
82°
65°
21
84°
65°
22
83°
64°
23
78°
65°
24
81°
65°
25
82°
66°
26
80°
66°
27
78°
60°
28
79°
63°
29
82°
62°
30
80°
63°
31
85°
67°
1
83°
67°
2
86°
66°
3
87°
68°
4
85°
66°
5
80°
62°
6
80°
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 66° to 87°, with overnight lows between 42° and 68°. The average high for May is 79° with an average low of 61°. 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.
