S
M
T
W
T
F
S
26
67°
28°
27
70°
30°
28
60°
44°
29
50°
36°
30
50°
27°
1
49°
26°
2
46°
25°
3
55°
22°
4
74°
42°
5
60°
34°
6
50°
34°
7
50°
30°
8
56°
32°
9
61°
37°
10
52°
36°
11
53°
28°
12
55°
24°
13
54°
40°
14
51°
36°
15
66°
30°
16
69°
42°
17
77°
39°
18
87°
56°
19
82°
51°
20
57°
38°
21
61°
36°
22
68°
31°
23
58°
47°
24
57°
47°
25
73°
50°
26
83°
49°
27
73°
47°
28
69°
47°
29
67°
39°
30
71°
39°
31
66°
39°
1
70°
41°
2
73°
42°
3
74°
46°
4
79°
52°
5
72°
54°
6
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Carling
Port Carling's May 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 39° and 54°. The average high for May is 71° with an average low of 45°. 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 Port Carling. See also: June | July | August.