S
M
T
W
T
F
S
26
79°
52°
27
77°
55°
28
61°
50°
29
61°
43°
30
64°
37°
1
61°
37°
2
61°
43°
3
73°
39°
4
81°
54°
5
61°
46°
6
59°
41°
7
68°
39°
8
64°
52°
9
81°
50°
10
68°
46°
11
77°
45°
12
81°
54°
13
73°
50°
14
75°
48°
15
82°
64°
16
78°
63°
17
88°
69°
18
81°
68°
19
74°
49°
20
65°
48°
21
70°
49°
22
75°
55°
23
79°
59°
24
77°
58°
25
77°
60°
26
79°
62°
27
77°
62°
28
79°
57°
29
81°
60°
30
73°
57°
31
73°
57°
1
72°
54°
2
73°
57°
3
74°
63°
4
81°
64°
5
83°
65°
6
82°
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 65° to 88°, with overnight lows between 48° and 69°. The average high for May is 77° with an average low of 59°. 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.
