S
M
T
W
T
F
S
26
58°
44°
27
74°
39°
28
58°
52°
29
58°
54°
30
68°
45°
1
59°
41°
2
55°
37°
3
56°
39°
4
69°
52°
5
72°
52°
6
62°
41°
7
55°
37°
8
56°
38°
9
58°
44°
10
64°
43°
11
63°
47°
12
64°
49°
13
64°
47°
14
65°
49°
15
66°
51°
16
65°
50°
17
66°
50°
18
67°
54°
19
75°
54°
20
75°
53°
21
76°
55°
22
76°
55°
23
77°
54°
24
77°
54°
25
70°
50°
26
69°
55°
27
70°
56°
28
78°
57°
29
76°
56°
30
75°
55°
31
74°
56°
1
72°
50°
2
69°
51°
3
70°
49°
4
71°
49°
5
71°
50°
6
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Rockhill
Rockhill's May 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 37° and 57°. The average high for May is 68° with an average low of 49°. 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 Rockhill. See also: June | July | August.
