S
M
T
W
T
F
S
26
72°
42°
27
60°
46°
28
59°
48°
29
63°
45°
30
65°
45°
1
66°
49°
2
76°
51°
3
81°
49°
4
82°
53°
5
68°
54°
6
61°
51°
7
67°
50°
8
65°
54°
9
66°
46°
10
65°
52°
11
66°
48°
12
69°
46°
13
65°
51°
14
65°
44°
15
59°
46°
16
61°
42°
17
65°
44°
18
65°
49°
19
68°
43°
20
73°
46°
21
77°
47°
22
77°
46°
23
72°
49°
24
63°
48°
25
62°
47°
26
64°
49°
27
63°
48°
28
63°
48°
29
66°
49°
30
69°
50°
31
71°
52°
1
68°
48°
2
73°
52°
3
73°
52°
4
71°
51°
5
71°
50°
6
72°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Courtenay
Courtenay's May 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 43° and 52°. The average high for May is 69° with an average low of 49°. 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 Courtenay. See also: June | July | August.
