S
M
T
W
T
F
S
26
63°
45°
27
65°
44°
28
71°
43°
29
73°
46°
30
70°
48°
1
67°
47°
2
66°
46°
3
65°
48°
4
68°
49°
5
66°
47°
6
67°
48°
7
69°
49°
8
65°
45°
9
65°
48°
10
68°
49°
11
69°
49°
12
69°
48°
13
70°
49°
14
70°
50°
15
69°
49°
16
69°
49°
17
68°
46°
18
62°
45°
19
62°
43°
20
63°
44°
21
62°
47°
22
65°
47°
23
69°
49°
24
71°
50°
25
71°
50°
26
70°
49°
27
70°
50°
28
71°
50°
29
70°
48°
30
67°
47°
31
64°
44°
1
64°
44°
2
65°
46°
3
64°
46°
4
64°
48°
5
65°
47°
6
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Duncans Mills
Duncans Mills's May 2026 forecast shows daily high temperatures ranging from 62° to 73°, with overnight lows between 43° and 50°. The average high for May is 67° with an average low of 47°. 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 Duncans Mills. See also: June | July | August.
