S
M
T
W
T
F
S
26
88°
79°
27
89°
80°
28
88°
79°
29
87°
79°
30
88°
76°
31
87°
76°
1
87°
78°
2
86°
79°
3
87°
78°
4
84°
76°
5
86°
74°
6
86°
74°
7
86°
77°
8
88°
81°
9
88°
80°
10
87°
77°
11
87°
76°
12
88°
80°
13
88°
78°
14
88°
76°
15
88°
79°
16
88°
76°
17
86°
76°
18
87°
76°
19
82°
73°
20
91°
78°
21
88°
78°
22
89°
80°
23
90°
78°
24
87°
79°
25
87°
77°
26
86°
76°
27
84°
76°
28
84°
77°
29
85°
76°
30
86°
77°
31
85°
79°
1
87°
78°
2
86°
77°
3
86°
76°
4
87°
78°
5
85°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Tumon Heights
Tumon Heights's August 2026 forecast shows daily high temperatures ranging from 84° to 87°, with overnight lows between 76° and 79°. The average high for August is 86° with an average low of 77°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Tumon Heights. See also: September | October | November.
