S
M
T
W
T
F
S
27
60°
44°
28
51°
43°
29
59°
44°
30
59°
41°
1
65°
45°
2
71°
48°
3
59°
38°
4
61°
40°
5
63°
46°
6
71°
51°
7
64°
42°
8
60°
39°
9
63°
45°
10
64°
47°
11
58°
46°
12
61°
44°
13
65°
48°
14
58°
45°
15
48°
43°
16
51°
43°
17
59°
43°
18
57°
42°
19
51°
43°
20
56°
42°
21
59°
42°
22
67°
45°
23
63°
42°
24
67°
47°
25
67°
51°
26
60°
49°
27
67°
47°
28
78°
57°
29
66°
50°
30
71°
49°
31
62°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Duncan
Duncan's May 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Duncan. See also: June | July | August.
