S
M
T
W
T
F
S
26
82°
66°
27
86°
63°
28
85°
68°
29
85°
65°
30
77°
66°
1
66°
55°
2
73°
51°
3
77°
43°
4
78°
48°
5
81°
54°
6
81°
68°
7
78°
64°
8
71°
64°
9
68°
64°
10
84°
64°
11
84°
65°
12
82°
67°
13
84°
62°
14
85°
57°
15
86°
56°
16
83°
59°
17
84°
69°
18
86°
71°
19
89°
70°
20
86°
65°
21
88°
64°
22
89°
65°
23
86°
64°
24
86°
66°
25
88°
65°
26
87°
67°
27
88°
66°
28
87°
64°
29
89°
67°
30
86°
67°
31
84°
66°
1
85°
67°
2
87°
67°
3
89°
66°
4
90°
68°
5
89°
68°
6
86°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Vaughan
Vaughan's May 2026 forecast shows daily high temperatures ranging from 83° to 90°, with overnight lows between 56° and 71°. The average high for May is 87° with an average low of 66°. 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 Vaughan. See also: June | July | August.
