S
M
T
W
T
F
S
26
78°
41°
27
68°
41°
28
67°
39°
29
69°
41°
30
49°
43°
1
62°
42°
2
72°
37°
3
81°
43°
4
82°
46°
5
56°
37°
6
42°
33°
7
75°
31°
8
78°
46°
9
85°
49°
10
67°
51°
11
87°
44°
12
85°
51°
13
89°
49°
14
92°
57°
15
90°
53°
16
92°
53°
17
84°
48°
18
62°
43°
19
66°
42°
20
72°
46°
21
78°
49°
22
72°
51°
23
82°
49°
24
89°
54°
25
89°
60°
26
82°
52°
27
62°
56°
28
76°
56°
29
85°
58°
30
87°
50°
31
87°
55°
1
90°
58°
2
83°
60°
3
81°
53°
4
85°
57°
5
84°
56°
6
85°
57°
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 81° to 90°, with overnight lows between 50° and 60°. The average high for May is 85° with an average low of 56°. 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.
