S
M
T
W
T
F
S
26
61°
35°
27
65°
40°
28
60°
48°
29
50°
35°
30
50°
31°
1
48°
29°
2
43°
28°
3
54°
43°
4
64°
51°
5
55°
38°
6
51°
35°
7
46°
32°
8
46°
34°
9
51°
37°
10
54°
40°
11
55°
38°
12
55°
38°
13
54°
42°
14
56°
43°
15
59°
40°
16
67°
47°
17
68°
46°
18
68°
44°
19
62°
44°
20
65°
47°
21
66°
44°
22
61°
39°
23
58°
38°
24
60°
40°
25
59°
40°
26
61°
41°
27
61°
40°
28
62°
40°
29
61°
41°
30
63°
45°
31
64°
46°
1
64°
44°
2
65°
44°
3
69°
50°
4
67°
47°
5
68°
52°
6
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Winfield
Winfield's May 2026 forecast shows daily high temperatures ranging from 43° to 74°, with overnight lows between 28° and 53°. The average high for May is 60° with an average low of 42°. 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 Winfield. See also: June | July | August.