S
M
T
W
T
F
S
26
51°
38°
27
51°
36°
28
55°
41°
29
53°
38°
30
52°
40°
1
53°
40°
2
53°
36°
3
56°
40°
4
63°
47°
5
65°
44°
6
57°
41°
7
59°
47°
8
67°
50°
9
67°
48°
10
66°
43°
11
56°
43°
12
57°
44°
13
58°
47°
14
58°
46°
15
61°
49°
16
66°
50°
17
62°
50°
18
65°
42°
19
66°
40°
20
59°
40°
21
60°
41°
22
59°
40°
23
60°
41°
24
61°
44°
25
64°
46°
26
65°
48°
27
69°
41°
28
63°
47°
29
63°
51°
30
69°
45°
31
65°
46°
1
64°
48°
2
67°
47°
3
65°
55°
4
72°
54°
5
74°
48°
6
67°
49°
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 51° to 74°, with overnight lows between 36° and 55°. The average high for May is 62° with an average low of 45°. 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.
