S
M
T
W
T
F
S
26
67°
38°
27
73°
37°
28
69°
48°
29
58°
44°
30
50°
38°
1
53°
30°
2
50°
36°
3
59°
36°
4
70°
44°
5
72°
47°
6
54°
43°
7
54°
36°
8
55°
40°
9
67°
32°
10
54°
38°
11
54°
32°
12
56°
32°
13
48°
44°
14
54°
42°
15
63°
42°
16
74°
46°
17
76°
51°
18
83°
48°
19
85°
66°
20
64°
36°
21
59°
36°
22
65°
45°
23
63°
49°
24
55°
50°
25
67°
49°
26
72°
51°
27
74°
54°
28
75°
47°
29
74°
53°
30
74°
55°
31
73°
54°
1
77°
55°
2
76°
48°
3
76°
53°
4
75°
54°
5
76°
55°
6
76°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Carleton Place
Carleton Place's May 2026 forecast shows daily high temperatures ranging from 55° to 77°, with overnight lows between 36° and 55°. The average high for May is 71° with an average low of 50°. 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 Carleton Place. See also: June | July | August.