S
M
T
W
T
F
S
31
78°
39°
1
77°
44°
2
76°
50°
3
84°
44°
4
88°
46°
5
90°
51°
6
86°
59°
7
86°
61°
8
79°
54°
9
82°
60°
10
82°
67°
11
94°
68°
12
90°
66°
13
87°
58°
14
83°
57°
15
74°
48°
16
78°
55°
17
82°
62°
18
87°
60°
19
77°
57°
20
78°
53°
21
75°
53°
22
77°
57°
23
78°
59°
24
80°
57°
25
78°
58°
26
80°
58°
27
82°
60°
28
81°
61°
29
77°
57°
30
77°
58°
1
78°
56°
2
79°
61°
3
79°
63°
4
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mifflintown
Mifflintown's June 2026 forecast shows daily high temperatures ranging from 74° to 87°, with overnight lows between 48° and 63°. The average high for June is 79° with an average low of 58°. 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 Mifflintown. See also: July | August | September.