S
M
T
W
T
F
S
26
62°
39°
27
63°
49°
28
59°
40°
29
48°
38°
30
51°
32°
1
46°
34°
2
46°
35°
3
49°
36°
4
53°
39°
5
55°
41°
6
58°
42°
7
54°
42°
8
57°
40°
9
56°
43°
10
60°
41°
11
60°
42°
12
63°
47°
13
65°
39°
14
56°
37°
15
57°
37°
16
58°
38°
17
59°
41°
18
61°
48°
19
66°
42°
20
59°
40°
21
59°
40°
22
60°
41°
23
61°
41°
24
64°
50°
25
68°
47°
26
62°
44°
27
62°
42°
28
63°
47°
29
69°
51°
30
73°
50°
31
66°
48°
1
69°
51°
2
73°
54°
3
74°
53°
4
74°
48°
5
65°
47°
6
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stouffville
Stouffville's May 2026 forecast shows daily high temperatures ranging from 46° to 74°, with overnight lows between 32° and 54°. The average high for May is 61° with an average low of 43°. 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 Stouffville. See also: June | July | August.
