S
M
T
W
T
F
S
26
79°
60°
27
72°
52°
28
67°
51°
29
83°
59°
30
74°
58°
1
67°
53°
2
65°
47°
3
70°
42°
4
79°
42°
5
80°
50°
6
78°
63°
7
79°
53°
8
71°
48°
9
75°
52°
10
82°
55°
11
76°
57°
12
71°
51°
13
78°
44°
14
74°
50°
15
75°
41°
16
83°
50°
17
88°
62°
18
88°
63°
19
88°
63°
20
90°
63°
21
90°
69°
22
71°
60°
23
63°
58°
24
74°
65°
25
76°
67°
26
79°
68°
27
83°
67°
28
86°
67°
29
80°
66°
30
71°
62°
31
71°
58°
1
72°
57°
2
75°
58°
3
80°
63°
4
79°
63°
5
80°
62°
6
81°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fountain Inn
Fountain Inn's May 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 57° and 68°. The average high for May is 78° 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 Fountain Inn. See also: June | July | August.
