S
M
T
W
T
F
S
26
37°
32°
27
45°
32°
28
50°
36°
29
60°
41°
30
65°
47°
1
67°
49°
2
63°
51°
3
58°
43°
4
43°
37°
5
46°
37°
6
65°
41°
7
67°
53°
8
69°
52°
9
73°
56°
10
73°
56°
11
77°
58°
12
74°
56°
13
64°
51°
14
68°
52°
15
66°
51°
16
60°
48°
17
51°
44°
18
62°
46°
19
67°
53°
20
69°
56°
21
74°
56°
22
73°
57°
23
72°
56°
24
68°
52°
25
69°
55°
26
71°
56°
27
71°
55°
28
62°
47°
29
64°
51°
30
67°
54°
31
79°
49°
1
72°
47°
2
73°
48°
3
74°
48°
4
75°
49°
5
75°
48°
6
74°
48°
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 62° to 79°, with overnight lows between 46° and 57°. The average high for May is 71° with an average low of 52°. 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.