S
M
T
W
T
F
S
26
78°
54°
27
82°
53°
28
60°
46°
29
64°
42°
30
66°
39°
1
67°
40°
2
65°
41°
3
82°
40°
4
83°
61°
5
67°
46°
6
62°
40°
7
71°
37°
8
77°
48°
9
85°
48°
10
68°
42°
11
78°
39°
12
81°
50°
13
80°
56°
14
81°
54°
15
88°
64°
16
87°
72°
17
86°
69°
18
87°
63°
19
65°
53°
20
62°
52°
21
64°
56°
22
76°
61°
23
74°
55°
24
81°
54°
25
85°
60°
26
81°
63°
27
80°
65°
28
75°
65°
29
78°
63°
30
80°
60°
31
76°
59°
1
75°
58°
2
76°
57°
3
79°
58°
4
80°
62°
5
82°
62°
6
81°
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 75° to 85°, with overnight lows between 54° and 65°. The average high for May is 79° with an average low of 61°. 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.
