S
M
T
W
T
F
S
26
59°
39°
27
71°
36°
28
55°
49°
29
54°
42°
30
45°
35°
1
42°
31°
2
42°
30°
3
55°
30°
4
71°
42°
5
68°
50°
6
50°
40°
7
50°
33°
8
52°
32°
9
59°
44°
10
56°
39°
11
50°
32°
12
61°
32°
13
61°
39°
14
44°
39°
15
64°
40°
16
72°
43°
17
82°
54°
18
87°
56°
19
82°
64°
20
62°
39°
21
58°
41°
22
62°
46°
23
53°
49°
24
66°
55°
25
63°
52°
26
69°
54°
27
71°
55°
28
69°
54°
29
70°
54°
30
68°
55°
31
71°
58°
1
71°
55°
2
72°
50°
3
74°
55°
4
73°
56°
5
74°
56°
6
73°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Orangeville
Orangeville's May 2026 forecast shows daily high temperatures ranging from 53° to 74°, with overnight lows between 39° and 58°. The average high for May is 68° with an average low of 52°. 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 Orangeville. See also: June | July | August.
