S
M
T
W
T
F
S
26
51°
38°
27
51°
36°
28
56°
40°
29
54°
38°
30
52°
40°
1
53°
38°
2
53°
36°
3
57°
40°
4
64°
47°
5
65°
44°
6
58°
42°
7
61°
48°
8
67°
50°
9
68°
48°
10
67°
43°
11
56°
43°
12
57°
44°
13
58°
46°
14
58°
46°
15
61°
49°
16
67°
50°
17
62°
51°
18
65°
41°
19
66°
40°
20
60°
40°
21
61°
39°
22
60°
39°
23
61°
40°
24
62°
44°
25
64°
44°
26
66°
47°
27
69°
41°
28
63°
47°
29
64°
50°
30
70°
44°
31
66°
46°
1
65°
47°
2
68°
46°
3
66°
56°
4
73°
52°
5
74°
47°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in New Toronto
New Toronto's May 2026 forecast shows daily high temperatures ranging from 51° to 74°, with overnight lows between 36° and 56°. The average high for May is 62° with an average low of 44°. 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 New Toronto. See also: June | July | August.