S
M
T
W
T
F
S
26
69°
42°
27
70°
51°
28
62°
47°
29
55°
42°
30
53°
38°
1
51°
35°
2
58°
34°
3
71°
46°
4
80°
46°
5
56°
42°
6
53°
38°
7
62°
33°
8
69°
41°
9
69°
49°
10
64°
41°
11
63°
36°
12
76°
41°
13
65°
46°
14
71°
44°
15
81°
55°
16
82°
60°
17
82°
64°
18
78°
63°
19
71°
51°
20
63°
45°
21
58°
40°
22
68°
47°
23
76°
56°
24
82°
57°
25
84°
60°
26
88°
64°
27
82°
57°
28
79°
54°
29
82°
52°
30
72°
49°
31
73°
53°
1
78°
56°
2
78°
56°
3
79°
58°
4
80°
59°
5
77°
57°
6
76°
61°
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 72° to 88°, with overnight lows between 49° and 64°. The average high for May is 79° with an average low of 57°. 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.
