S
M
T
W
T
F
S
26
73°
55°
27
74°
49°
28
74°
53°
29
73°
51°
30
72°
60°
1
70°
56°
2
72°
60°
3
76°
59°
4
68°
60°
5
71°
56°
6
70°
52°
7
63°
49°
8
66°
43°
9
67°
45°
10
67°
46°
11
68°
58°
12
66°
56°
13
64°
57°
14
66°
56°
15
66°
57°
16
69°
56°
17
66°
60°
18
64°
58°
19
64°
57°
20
63°
54°
21
63°
51°
22
63°
55°
23
65°
57°
24
65°
56°
25
67°
61°
26
67°
63°
27
71°
54°
28
59°
55°
29
61°
45°
30
59°
45°
31
57°
41°
1
59°
44°
2
55°
47°
3
62°
42°
4
60°
39°
5
60°
37°
6
59°
35°
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 55° to 71°, with overnight lows between 35° and 55°. The average high for May is 60° 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 Orangeville. See also: June | July | August.
