S
M
T
W
T
F
S
26
55°
41°
27
67°
36°
28
56°
47°
29
56°
44°
30
45°
33°
1
47°
29°
2
43°
31°
3
57°
27°
4
69°
40°
5
71°
58°
6
58°
42°
7
57°
32°
8
57°
35°
9
61°
45°
10
61°
40°
11
60°
34°
12
64°
29°
13
65°
43°
14
44°
40°
15
64°
41°
16
72°
44°
17
80°
60°
18
85°
60°
19
86°
65°
20
70°
45°
21
69°
45°
22
61°
47°
23
52°
51°
24
68°
52°
25
69°
57°
26
74°
58°
27
73°
54°
28
73°
56°
29
75°
53°
30
75°
56°
31
77°
58°
1
72°
50°
2
71°
55°
3
72°
55°
4
70°
53°
5
68°
51°
6
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westville
Westville's May 2026 forecast shows daily high temperatures ranging from 52° to 86°, with overnight lows between 45° and 65°. The average high for May is 71° with an average low of 53°. 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 Westville. See also: June | July | August.