S
M
T
W
T
F
S
28
83°
65°
29
88°
65°
30
91°
72°
1
94°
75°
2
93°
73°
3
94°
70°
4
89°
68°
5
86°
68°
6
84°
67°
7
82°
66°
8
86°
67°
9
88°
69°
10
80°
66°
11
80°
60°
12
84°
61°
13
85°
65°
14
88°
70°
15
89°
67°
16
85°
64°
17
83°
62°
18
83°
63°
19
81°
60°
20
79°
62°
21
81°
61°
22
78°
59°
23
79°
59°
24
87°
67°
25
86°
66°
26
86°
66°
27
87°
65°
28
84°
65°
29
82°
64°
30
79°
64°
31
79°
63°
1
78°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Mifflin
Mifflin's July 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 59° and 70°. The average high for July is 83° with an average low of 64°. 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 Mifflin. See also: August | September | October.