S
M
T
W
T
F
S
26
36°
19°
27
39°
23°
28
43°
18°
29
45°
27°
30
50°
18°
1
61°
18°
2
63°
33°
3
63°
31°
4
60°
30°
5
50°
21°
6
57°
30°
7
65°
32°
8
63°
35°
9
62°
34°
10
61°
33°
11
66°
36°
12
66°
38°
13
66°
35°
14
63°
36°
15
60°
31°
16
58°
36°
17
61°
37°
18
64°
28°
19
53°
27°
20
54°
28°
21
57°
28°
22
65°
38°
23
65°
36°
24
59°
32°
25
64°
34°
26
66°
36°
27
62°
36°
28
56°
34°
29
56°
32°
30
58°
32°
31
64°
37°
1
68°
38°
2
67°
40°
3
69°
41°
4
69°
41°
5
68°
40°
6
70°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Island Park
Island Park's May 2026 forecast shows daily high temperatures ranging from 50° to 70°, with overnight lows between 21° and 42°. The average high for May is 62° with an average low of 34°. 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 Island Park. See also: June | July | August.
