S
M
T
W
T
F
S
26
63°
49°
27
66°
46°
28
61°
52°
29
60°
41°
30
56°
33°
1
51°
35°
2
52°
31°
3
59°
37°
4
76°
50°
5
55°
45°
6
57°
40°
7
58°
36°
8
60°
44°
9
72°
51°
10
63°
42°
11
66°
38°
12
74°
37°
13
58°
38°
14
65°
37°
15
67°
55°
16
72°
59°
17
83°
62°
18
82°
67°
19
76°
53°
20
65°
46°
21
64°
48°
22
67°
49°
23
76°
56°
24
72°
56°
25
75°
58°
26
74°
59°
27
77°
59°
28
76°
53°
29
76°
57°
30
72°
54°
31
69°
52°
1
70°
49°
2
70°
49°
3
71°
51°
4
72°
57°
5
80°
60°
6
81°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pierceton
Pierceton's May 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 46° and 67°. The average high for May is 73° with an average low of 55°. 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 Pierceton. See also: June | July | August.