S
M
T
W
T
F
S
26
77°
55°
27
72°
52°
28
68°
48°
29
81°
57°
30
73°
59°
1
64°
55°
2
59°
50°
3
68°
43°
4
79°
46°
5
81°
54°
6
84°
59°
7
77°
59°
8
72°
50°
9
72°
55°
10
82°
59°
11
79°
59°
12
70°
52°
13
79°
46°
14
77°
54°
15
77°
45°
16
86°
54°
17
90°
66°
18
90°
66°
19
90°
63°
20
91°
66°
21
88°
67°
22
82°
68°
23
83°
68°
24
85°
66°
25
86°
65°
26
85°
66°
27
84°
65°
28
81°
64°
29
78°
61°
30
84°
65°
31
83°
64°
1
83°
62°
2
82°
62°
3
81°
63°
4
82°
64°
5
84°
65°
6
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Winnsboro
Winnsboro's May 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 61° and 68°. The average high for May is 84° with an average low of 65°. 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 Winnsboro. See also: June | July | August.
