S
M
T
W
T
F
S
26
79°
61°
27
72°
54°
28
66°
52°
29
82°
59°
30
75°
59°
1
66°
55°
2
64°
50°
3
68°
43°
4
77°
46°
5
79°
54°
6
79°
64°
7
79°
57°
8
70°
54°
9
73°
55°
10
81°
57°
11
75°
61°
12
72°
54°
13
79°
50°
14
75°
54°
15
73°
48°
16
82°
55°
17
88°
66°
18
88°
66°
19
86°
66°
20
88°
66°
21
88°
72°
22
73°
61°
23
63°
59°
24
72°
61°
25
82°
68°
26
84°
70°
27
84°
70°
28
88°
70°
29
82°
70°
30
82°
68°
31
70°
63°
1
85°
63°
2
75°
53°
3
79°
55°
4
82°
59°
5
85°
63°
6
88°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Williamston-Pelzer
Williamston-Pelzer's May 2026 forecast shows daily high temperatures ranging from 70° to 88°, with overnight lows between 53° and 64°. The average high for May is 81° with an average low of 60°. 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 Williamston-Pelzer. See also: June | July | August.