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
54°
28°
3
61°
39°
4
80°
48°
5
58°
46°
6
N/A
7
58°
42°
8
62°
46°
9
72°
47°
10
58°
38°
11
57°
40°
12
58°
46°
13
61°
45°
14
66°
51°
15
70°
47°
16
70°
51°
17
74°
56°
18
73°
57°
19
74°
55°
20
72°
51°
21
66°
47°
22
66°
47°
23
68°
49°
24
68°
50°
25
69°
51°
26
69°
49°
27
71°
49°
28
71°
51°
29
75°
56°
30
78°
56°
31
80°
59°
1
80°
57°
2
74°
55°
3
80°
60°
4
81°
61°
5
81°
61°
6
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Winamac
Winamac's May 2026 forecast shows daily high temperatures ranging from 57° to 81°, with overnight lows between 38° and 61°. The average high for May is 70° with an average low of 51°. 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.