S
M
T
W
T
F
S
26
90°
75°
27
91°
74°
28
90°
73°
29
89°
74°
30
89°
74°
31
87°
75°
1
89°
74°
2
89°
75°
3
87°
77°
4
87°
77°
5
89°
76°
6
88°
78°
7
87°
76°
8
88°
74°
9
90°
74°
10
91°
77°
11
90°
76°
12
87°
77°
13
87°
78°
14
88°
75°
15
87°
73°
16
88°
72°
17
88°
74°
18
89°
73°
19
87°
73°
20
87°
74°
21
88°
73°
22
87°
73°
23
88°
74°
24
87°
75°
25
88°
73°
26
86°
73°
27
87°
72°
28
86°
73°
29
86°
76°
30
86°
70°
31
85°
70°
1
Hist. Avg.
85°
72°
2
Hist. Avg.
85°
72°
3
Hist. Avg.
84°
71°
4
Hist. Avg.
84°
71°
5
Hist. Avg.
84°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Matsuyama-shi
Matsuyama-shi's August 2026 forecast shows daily high temperatures ranging from 85° to 91°, with overnight lows between 70° and 78°. The average high for August is 88° 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 Matsuyama-shi. See also: September | October | November.
