S
M
T
W
T
F
S
26
68°
46°
27
71°
49°
28
62°
45°
29
55°
44°
30
54°
38°
1
49°
40°
2
51°
32°
3
63°
37°
4
76°
48°
5
59°
47°
6
55°
40°
7
56°
36°
8
66°
37°
9
69°
46°
10
62°
35°
11
60°
37°
12
64°
39°
13
60°
43°
14
66°
44°
15
71°
40°
16
83°
55°
17
87°
60°
18
87°
67°
19
84°
63°
20
64°
52°
21
65°
43°
22
71°
44°
23
57°
54°
24
66°
54°
25
80°
55°
26
82°
55°
27
82°
56°
28
72°
53°
29
81°
47°
30
73°
53°
31
76°
45°
1
80°
49°
2
77°
47°
3
83°
49°
4
85°
54°
5
83°
66°
6
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Williamston
Williamston's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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. See also: June | July | August.