S
M
T
W
T
F
S
26
61°
35°
27
61°
30°
28
60°
28°
29
54°
39°
30
57°
39°
1
53°
46°
2
62°
40°
3
46°
35°
4
59°
35°
5
76°
46°
6
74°
56°
7
58°
42°
8
56°
42°
9
60°
40°
10
66°
47°
11
60°
46°
12
48°
40°
13
58°
38°
14
67°
45°
15
59°
47°
16
73°
47°
17
76°
52°
18
67°
46°
19
75°
50°
20
87°
52°
21
61°
37°
22
59°
34°
23
61°
35°
24
70°
44°
25
53°
49°
26
76°
49°
27
69°
48°
28
59°
41°
29
60°
43°
30
56°
43°
31
62°
46°
1
67°
46°
2
71°
45°
3
71°
47°
4
73°
50°
5
74°
49°
6
75°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Upper Vaughan
Upper Vaughan's May 2026 forecast shows daily high temperatures ranging from 53° to 76°, with overnight lows between 41° and 50°. The average high for May is 67° with an average low of 46°. 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 Upper Vaughan. See also: June | July | August.