S
M
T
W
T
F
S
26
74°
56°
27
72°
52°
28
64°
51°
29
80°
60°
30
75°
57°
1
63°
54°
2
61°
46°
3
71°
42°
4
80°
47°
5
79°
54°
6
78°
61°
7
77°
57°
8
71°
53°
9
73°
55°
10
83°
58°
11
71°
54°
12
72°
48°
13
80°
56°
14
73°
46°
15
76°
55°
16
88°
64°
17
90°
65°
18
89°
66°
19
88°
67°
20
89°
66°
21
81°
65°
22
83°
64°
23
80°
62°
24
79°
60°
25
81°
62°
26
80°
60°
27
85°
65°
28
84°
64°
29
86°
65°
30
86°
65°
31
85°
64°
1
84°
65°
2
86°
65°
3
86°
64°
4
81°
65°
5
86°
66°
6
88°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort Mill
Fort Mill's May 2026 forecast shows daily high temperatures ranging from 73° to 90°, with overnight lows between 46° and 67°. The average high for May is 84° with an average low of 63°. 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 Fort Mill. See also: June | July | August.
