S
M
T
W
T
F
S
28
76°
51°
29
72°
49°
30
74°
52°
1
73°
51°
2
71°
52°
3
71°
52°
4
74°
51°
5
68°
49°
6
67°
48°
7
66°
47°
8
66°
49°
9
67°
51°
10
70°
50°
11
72°
51°
12
68°
50°
13
68°
50°
14
69°
51°
15
69°
52°
16
72°
53°
17
71°
53°
18
69°
52°
19
70°
53°
20
70°
53°
21
71°
52°
22
69°
52°
23
68°
51°
24
69°
53°
25
74°
53°
26
75°
52°
27
74°
52°
28
74°
52°
29
73°
51°
30
72°
52°
31
74°
53°
1
73°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Duncans Mills
Duncans Mills's July 2026 forecast shows daily high temperatures ranging from 66° to 76°, with overnight lows between 47° and 53°. The average high for July is 71° 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 July weather will actually feel in Duncans Mills. See also: August | September | October.