S
M
T
W
T
F
S
26
83°
74°
27
87°
75°
28
86°
74°
29
86°
74°
30
87°
75°
31
88°
74°
1
86°
73°
2
88°
74°
3
87°
73°
4
87°
73°
5
88°
74°
6
87°
74°
7
87°
76°
8
88°
76°
9
87°
78°
10
88°
76°
11
87°
74°
12
88°
75°
13
87°
75°
14
87°
76°
15
88°
75°
16
86°
75°
17
86°
76°
18
87°
75°
19
86°
75°
20
87°
77°
21
86°
75°
22
87°
76°
23
87°
74°
24
89°
73°
25
89°
73°
26
85°
74°
27
85°
73°
28
86°
73°
29
86°
72°
30
85°
73°
31
84°
72°
1
85°
73°
2
84°
71°
3
83°
71°
4
83°
72°
5
84°
74°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shinjuku-ku
Shinjuku-ku's August 2026 forecast shows daily high temperatures ranging from 83° to 89°, with overnight lows between 71° and 78°. The average high for August is 86° with an average low of 74°. 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 Shinjuku-ku. See also: September | October | November.
