S
M
T
W
T
F
S
26
67°
52°
27
59°
51°
28
57°
48°
29
60°
50°
30
63°
53°
1
60°
54°
2
68°
53°
3
69°
56°
4
76°
59°
5
69°
57°
6
59°
55°
7
62°
51°
8
58°
54°
9
64°
53°
10
65°
55°
11
61°
54°
12
67°
55°
13
65°
55°
14
58°
52°
15
54°
49°
16
55°
45°
17
60°
51°
18
63°
54°
19
63°
55°
20
63°
52°
21
68°
54°
22
68°
56°
23
62°
54°
24
63°
55°
25
61°
54°
26
65°
53°
27
68°
56°
28
68°
58°
29
59°
52°
30
61°
52°
31
66°
54°
1
70°
59°
2
69°
59°
3
66°
55°
4
64°
54°
5
60°
53°
6
63°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hornby Island
Hornby Island's May 2026 forecast shows daily high temperatures ranging from 59° to 70°, with overnight lows between 52° and 59°. The average high for May is 64° with an average low of 55°. 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 Hornby Island. See also: June | July | August.
