S
M
T
W
T
F
S
26
68°
56°
27
67°
55°
28
68°
53°
29
68°
55°
30
67°
51°
1
70°
55°
2
70°
55°
3
69°
54°
4
66°
53°
5
63°
51°
6
64°
51°
7
64°
52°
8
65°
54°
9
70°
56°
10
70°
57°
11
71°
57°
12
70°
56°
13
68°
54°
14
66°
55°
15
66°
55°
16
67°
54°
17
65°
55°
18
66°
55°
19
64°
53°
20
63°
53°
21
63°
54°
22
64°
54°
23
65°
56°
24
66°
57°
25
66°
54°
26
70°
58°
27
72°
59°
28
73°
58°
29
64°
52°
30
64°
53°
31
65°
57°
1
69°
58°
2
71°
58°
3
70°
56°
4
71°
59°
5
70°
59°
6
71°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Channel Islands National Park
Channel Islands National Park's May 2026 forecast shows daily high temperatures ranging from 63° to 73°, with overnight lows between 51° and 60°. The average high for May is 67° 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 Channel Islands National Park. See also: June | July | August.
