S
M
T
W
T
F
S
26
84°
56°
27
83°
56°
28
76°
62°
29
85°
65°
30
75°
63°
1
64°
52°
2
73°
45°
3
74°
40°
4
80°
42°
5
81°
46°
6
86°
65°
7
79°
63°
8
71°
60°
9
70°
61°
10
82°
62°
11
83°
61°
12
71°
62°
13
82°
56°
14
81°
52°
15
82°
46°
16
87°
51°
17
88°
62°
18
90°
64°
19
91°
65°
20
90°
67°
21
88°
67°
22
87°
68°
23
85°
68°
24
83°
69°
25
79°
69°
26
81°
69°
27
83°
69°
28
82°
68°
29
81°
69°
30
80°
66°
31
81°
65°
1
79°
64°
2
82°
65°
3
83°
66°
4
82°
67°
5
87°
66°
6
83°
66°
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 79° to 87°, with overnight lows between 64° and 69°. The average high for May is 82° with an average low of 67°. 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.