S
M
T
W
T
F
S
26
63°
40°
27
72°
37°
28
64°
38°
29
64°
47°
30
60°
47°
1
63°
36°
2
60°
44°
3
60°
41°
4
72°
39°
5
82°
50°
6
67°
50°
7
64°
45°
8
59°
40°
9
58°
48°
10
70°
49°
11
62°
45°
12
67°
35°
13
68°
50°
14
63°
45°
15
63°
45°
16
79°
58°
17
84°
54°
18
81°
58°
19
90°
65°
20
79°
54°
21
68°
49°
22
70°
49°
23
69°
52°
24
70°
51°
25
69°
50°
26
71°
51°
27
68°
51°
28
67°
49°
29
68°
51°
30
68°
56°
31
75°
53°
1
69°
51°
2
69°
50°
3
68°
49°
4
69°
50°
5
71°
57°
6
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Arlington
Mount Arlington's May 2026 forecast shows daily high temperatures ranging from 63° to 90°, with overnight lows between 45° and 65°. The average high for May is 72° with an average low of 52°. 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 Mount Arlington. See also: June | July | August.
