S
M
T
W
T
F
S
26
75°
45°
27
74°
52°
28
63°
47°
29
60°
39°
30
58°
36°
1
55°
33°
2
60°
32°
3
75°
46°
4
83°
46°
5
59°
42°
6
55°
33°
7
63°
40°
8
69°
46°
9
78°
43°
10
65°
39°
11
63°
47°
12
68°
45°
13
74°
48°
14
77°
51°
15
77°
51°
16
70°
49°
17
71°
51°
18
75°
50°
19
74°
51°
20
68°
49°
21
69°
47°
22
67°
48°
23
68°
49°
24
70°
52°
25
70°
54°
26
71°
51°
27
72°
53°
28
74°
51°
29
76°
55°
30
79°
57°
31
80°
60°
1
79°
56°
2
78°
60°
3
82°
61°
4
83°
62°
5
82°
62°
6
76°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Toronto
Toronto's May 2026 forecast shows daily high temperatures ranging from 55° to 83°, with overnight lows between 33° and 62°. The average high for May is 73° with an average low of 51°. 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 Toronto. See also: June | July | August.
