S
M
T
W
T
F
S
26
60°
38°
27
69°
38°
28
60°
47°
29
54°
48°
30
51°
39°
1
51°
35°
2
46°
36°
3
53°
35°
4
69°
44°
5
75°
50°
6
55°
42°
7
53°
36°
8
53°
36°
9
53°
43°
10
61°
41°
11
56°
34°
12
59°
32°
13
61°
46°
14
48°
42°
15
61°
41°
16
76°
47°
17
83°
57°
18
87°
66°
19
84°
70°
20
73°
46°
21
62°
41°
22
66°
43°
23
48°
46°
24
58°
51°
25
69°
51°
26
72°
52°
27
73°
52°
28
72°
51°
29
74°
51°
30
70°
50°
31
74°
54°
1
72°
52°
2
75°
48°
3
74°
51°
4
75°
53°
5
75°
55°
6
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Vestal
South Vestal's May 2026 forecast shows daily high temperatures ranging from 48° to 75°, with overnight lows between 41° and 55°. The average high for May is 70° with an average low of 50°. 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 South Vestal. See also: June | July | August.