S
M
T
W
T
F
S
26
81°
61°
27
75°
55°
28
68°
50°
29
84°
59°
30
79°
61°
1
70°
54°
2
66°
52°
3
74°
46°
4
79°
53°
5
81°
59°
6
85°
66°
7
81°
56°
8
72°
51°
9
78°
54°
10
79°
55°
11
80°
60°
12
76°
56°
13
79°
55°
14
81°
58°
15
85°
57°
16
82°
58°
17
80°
58°
18
81°
61°
19
82°
62°
20
84°
63°
21
84°
62°
22
82°
56°
23
78°
55°
24
79°
57°
25
80°
59°
26
82°
58°
27
79°
57°
28
80°
58°
29
81°
60°
30
82°
61°
31
81°
63°
1
83°
66°
2
84°
65°
3
82°
66°
4
82°
66°
5
85°
67°
6
85°
67°
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 72° to 85°, with overnight lows between 46° and 67°. The average high for May is 81° with an average low of 59°. 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.