S
M
T
W
T
F
S
26
51°
40°
27
67°
34°
28
54°
48°
29
55°
51°
30
54°
39°
1
58°
32°
2
49°
32°
3
57°
42°
4
71°
57°
5
77°
60°
6
65°
55°
7
58°
36°
8
54°
38°
9
58°
42°
10
63°
46°
11
63°
43°
12
61°
44°
13
63°
47°
14
64°
49°
15
66°
48°
16
74°
53°
17
75°
54°
18
75°
54°
19
74°
53°
20
75°
54°
21
74°
54°
22
73°
46°
23
65°
46°
24
66°
47°
25
66°
48°
26
67°
47°
27
67°
47°
28
68°
48°
29
69°
48°
30
68°
51°
31
72°
58°
1
73°
56°
2
70°
53°
3
71°
53°
4
74°
57°
5
75°
56°
6
79°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Duncansville
Duncansville's May 2026 forecast shows daily high temperatures ranging from 49° to 79°, with overnight lows between 32° and 60°. The average high for May is 68° with an average low of 49°. 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 Duncansville. See also: June | July | August.
