S
M
T
W
T
F
S
26
57°
46°
27
74°
44°
28
65°
49°
29
57°
47°
30
56°
42°
1
51°
37°
2
48°
32°
3
61°
32°
4
76°
48°
5
67°
46°
6
56°
42°
7
57°
45°
8
63°
50°
9
72°
54°
10
65°
40°
11
58°
38°
12
56°
49°
13
66°
50°
14
69°
51°
15
73°
51°
16
68°
50°
17
65°
49°
18
69°
50°
19
71°
51°
20
67°
46°
21
66°
47°
22
66°
47°
23
68°
50°
24
68°
51°
25
69°
50°
26
69°
52°
27
72°
49°
28
72°
52°
29
76°
56°
30
78°
58°
31
79°
59°
1
78°
58°
2
75°
55°
3
80°
60°
4
81°
61°
5
81°
62°
6
80°
61°
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 56° to 81°, with overnight lows between 38° and 62°. The average high for May is 70° with an average low of 51°. 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.
