S
M
T
W
T
F
S
28
72°
63°
29
83°
63°
30
87°
65°
1
92°
72°
2
93°
73°
3
93°
72°
4
92°
65°
5
84°
67°
6
79°
67°
7
75°
64°
8
78°
65°
9
88°
70°
10
82°
64°
11
79°
61°
12
79°
60°
13
81°
61°
14
83°
62°
15
81°
63°
16
84°
64°
17
83°
63°
18
82°
64°
19
83°
62°
20
79°
59°
21
78°
58°
22
78°
59°
23
79°
59°
24
79°
61°
25
80°
62°
26
81°
64°
27
81°
64°
28
85°
65°
29
84°
65°
30
82°
64°
31
84°
65°
1
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Duncansville
Duncansville's July 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 58° and 70°. The average high for July is 81° with an average low of 63°. 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 Duncansville. See also: August | September | October.