S
M
T
W
T
F
S
26
81°
56°
27
70°
60°
28
66°
57°
29
65°
50°
30
65°
43°
1
61°
47°
2
56°
40°
3
69°
51°
4
72°
58°
5
63°
45°
6
58°
43°
7
58°
44°
8
64°
50°
9
71°
52°
10
68°
53°
11
70°
52°
12
70°
53°
13
72°
55°
14
74°
55°
15
73°
54°
16
78°
60°
17
77°
59°
18
73°
59°
19
77°
58°
20
74°
54°
21
76°
52°
22
70°
51°
23
69°
51°
24
71°
52°
25
70°
52°
26
70°
53°
27
72°
53°
28
73°
57°
29
74°
57°
30
77°
62°
31
75°
61°
1
74°
55°
2
75°
57°
3
77°
60°
4
77°
63°
5
80°
64°
6
80°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vandalia
Vandalia's May 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 40° and 65°. The average high for May is 72° with an average low of 54°. 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 Vandalia. See also: June | July | August.
