S
M
T
W
T
F
S
26
62°
42°
27
65°
49°
28
62°
50°
29
59°
37°
30
60°
32°
1
51°
33°
2
53°
37°
3
60°
45°
4
71°
53°
5
58°
41°
6
55°
38°
7
52°
38°
8
59°
45°
9
62°
47°
10
63°
44°
11
65°
50°
12
67°
47°
13
66°
46°
14
69°
49°
15
65°
48°
16
65°
46°
17
67°
55°
18
74°
56°
19
70°
56°
20
73°
57°
21
76°
57°
22
75°
56°
23
75°
52°
24
68°
50°
25
69°
54°
26
72°
58°
27
72°
56°
28
70°
55°
29
70°
51°
30
71°
53°
31
71°
54°
1
72°
56°
2
79°
59°
3
72°
54°
4
72°
51°
5
71°
52°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Winamac
Winamac's May 2026 forecast shows daily high temperatures ranging from 51° to 79°, with overnight lows between 33° and 59°. The average high for May is 67° 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 Winamac. See also: June | July | August.