S
M
T
W
T
F
S
26
54°
40°
27
56°
37°
28
57°
36°
29
60°
40°
30
60°
39°
1
64°
34°
2
72°
40°
3
74°
50°
4
68°
50°
5
65°
43°
6
62°
44°
7
78°
52°
8
83°
50°
9
80°
45°
10
87°
53°
11
94°
53°
12
90°
56°
13
87°
52°
14
88°
55°
15
85°
52°
16
87°
52°
17
85°
52°
18
83°
51°
19
81°
48°
20
76°
42°
21
69°
42°
22
69°
40°
23
70°
40°
24
70°
39°
25
72°
42°
26
79°
47°
27
81°
49°
28
79°
47°
29
80°
48°
30
82°
49°
31
83°
48°
1
83°
50°
2
82°
50°
3
84°
50°
4
80°
51°
5
74°
50°
6
75°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vermillion
Vermillion's May 2026 forecast shows daily high temperatures ranging from 69° to 94°, with overnight lows between 39° and 56°. The average high for May is 81° with an average low of 48°. 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 Vermillion. See also: June | July | August.
