S
M
T
W
T
F
S
26
52°
37°
27
45°
39°
28
50°
34°
29
55°
28°
30
52°
28°
1
54°
30°
2
70°
36°
3
72°
45°
4
63°
37°
5
48°
32°
6
45°
28°
7
63°
32°
8
70°
36°
9
59°
41°
10
57°
37°
11
72°
28°
12
72°
48°
13
75°
45°
14
81°
54°
15
81°
54°
16
72°
46°
17
73°
45°
18
52°
43°
19
52°
39°
20
64°
34°
21
70°
43°
22
54°
46°
23
66°
54°
24
84°
52°
25
93°
57°
26
93°
57°
27
93°
70°
28
93°
61°
29
90°
65°
30
79°
63°
31
78°
62°
1
79°
59°
2
86°
63°
3
85°
64°
4
80°
62°
5
78°
60°
6
77°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dumont
Dumont's May 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 59° and 65°. The average high for May is 81° with an average low of 62°. 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 Dumont. See also: June | July | August.