S
M
T
W
T
F
S
31
80°
53°
1
85°
64°
2
81°
49°
3
90°
60°
4
87°
57°
5
97°
61°
6
83°
53°
7
78°
50°
8
79°
55°
9
83°
59°
10
89°
63°
11
99°
74°
12
82°
64°
13
89°
57°
14
77°
53°
15
82°
52°
16
77°
54°
17
74°
54°
18
69°
55°
19
71°
51°
20
75°
53°
21
69°
52°
22
69°
50°
23
74°
49°
24
74°
49°
25
75°
50°
26
75°
51°
27
76°
50°
28
76°
51°
29
72°
49°
30
74°
52°
1
73°
51°
2
71°
52°
3
71°
52°
4
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Duncans Mills
Duncans Mills's June 2026 forecast shows daily high temperatures ranging from 69° to 77°, with overnight lows between 49° and 55°. The average high for June is 73° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Duncans Mills. See also: July | August | September.