S
M
T
W
T
F
S
26
72°
53°
27
72°
48°
28
56°
44°
29
60°
44°
30
56°
42°
1
58°
39°
2
63°
37°
3
76°
51°
4
82°
49°
5
58°
40°
6
59°
37°
7
68°
49°
8
72°
48°
9
78°
45°
10
64°
41°
11
64°
44°
12
70°
50°
13
77°
52°
14
71°
53°
15
76°
52°
16
71°
50°
17
69°
50°
18
72°
49°
19
75°
48°
20
72°
51°
21
69°
45°
22
65°
45°
23
67°
46°
24
68°
47°
25
67°
47°
26
67°
48°
27
68°
48°
28
70°
52°
29
69°
57°
30
74°
57°
31
71°
52°
1
71°
51°
2
75°
54°
3
76°
59°
4
79°
60°
5
79°
61°
6
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Winterset
Winterset's May 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 37° and 61°. The average high for May is 71° with an average low of 50°. 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 Winterset. See also: June | July | August.
