S
M
T
W
T
F
S
26
60°
43°
27
73°
42°
28
69°
51°
29
54°
45°
30
54°
40°
1
45°
36°
2
42°
33°
3
59°
31°
4
73°
48°
5
68°
47°
6
56°
41°
7
56°
39°
8
59°
42°
9
69°
51°
10
60°
43°
11
62°
38°
12
66°
40°
13
63°
43°
14
61°
42°
15
69°
36°
16
73°
53°
17
83°
59°
18
86°
66°
19
86°
65°
20
67°
48°
21
64°
46°
22
60°
47°
23
73°
55°
24
70°
53°
25
72°
56°
26
78°
52°
27
73°
56°
28
70°
48°
29
73°
52°
30
70°
46°
31
69°
48°
1
73°
48°
2
73°
52°
3
76°
56°
4
78°
56°
5
79°
59°
6
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mifflin
Mifflin's May 2026 forecast shows daily high temperatures ranging from 69° to 79°, with overnight lows between 46° and 60°. The average high for May is 74° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Mifflin. See also: June | July | August.
