S
M
T
W
T
F
S
26
87°
77°
27
88°
79°
28
89°
80°
29
88°
76°
30
88°
79°
1
87°
78°
2
87°
76°
3
88°
78°
4
88°
78°
5
88°
79°
6
88°
80°
7
87°
78°
8
89°
79°
9
89°
76°
10
89°
81°
11
88°
79°
12
88°
80°
13
88°
79°
14
89°
80°
15
89°
80°
16
90°
80°
17
89°
77°
18
90°
80°
19
89°
76°
20
88°
77°
21
87°
77°
22
89°
78°
23
N/A
24
87°
81°
25
86°
81°
26
87°
80°
27
87°
81°
28
86°
80°
29
84°
79°
30
86°
79°
31
87°
78°
1
86°
79°
2
87°
80°
3
86°
81°
4
87°
82°
5
88°
81°
6
88°
81°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Alamagan
Alamagan's May 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 78° and 82°. The average high for May is 87° with an average low of 80°. 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 Alamagan. See also: June | July | August.