S
M
T
W
T
F
S
26
65°
53°
27
70°
52°
28
73°
42°
29
80°
54°
30
73°
59°
1
60°
50°
2
55°
46°
3
69°
40°
4
80°
43°
5
81°
50°
6
81°
58°
7
75°
54°
8
72°
49°
9
75°
51°
10
84°
58°
11
71°
49°
12
73°
42°
13
80°
47°
14
76°
45°
15
77°
49°
16
87°
61°
17
90°
61°
18
92°
61°
19
91°
64°
20
93°
67°
21
83°
60°
22
80°
58°
23
80°
59°
24
81°
60°
25
83°
62°
26
84°
63°
27
87°
61°
28
85°
66°
29
87°
66°
30
87°
65°
31
86°
65°
1
83°
64°
2
84°
66°
3
83°
66°
4
81°
65°
5
83°
66°
6
88°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dunn
Dunn's May 2026 forecast shows daily high temperatures ranging from 76° to 93°, with overnight lows between 45° and 68°. The average high for May is 85° 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 Dunn. See also: June | July | August.