S
M
T
W
T
F
S
26
87°
75°
27
86°
77°
28
86°
77°
29
87°
79°
30
88°
76°
1
88°
76°
2
87°
79°
3
-100°
-100°
4
87°
79°
5
89°
79°
6
89°
78°
7
87°
78°
8
88°
78°
9
86°
77°
10
87°
80°
11
87°
78°
12
88°
79°
13
89°
78°
14
88°
79°
15
89°
80°
16
85°
80°
17
85°
78°
18
86°
80°
19
86°
80°
20
87°
79°
21
85°
80°
22
86°
80°
23
86°
79°
24
87°
80°
25
86°
80°
26
85°
79°
27
86°
80°
28
86°
80°
29
87°
79°
30
87°
79°
31
86°
80°
1
86°
80°
2
87°
79°
3
86°
80°
4
86°
80°
5
87°
79°
6
86°
80°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Tamuning
Tamuning's May 2026 forecast shows daily high temperatures ranging from 85° to 89°, with overnight lows between 77° and 80°. The average high for May is 87° with an average low of 79°. 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 Tamuning. See also: June | July | August.