S
M
T
W
T
F
S
26
93°
69°
27
92°
69°
28
89°
68°
29
89°
71°
30
88°
71°
31
94°
67°
1
95°
67°
2
92°
70°
3
90°
68°
4
86°
67°
5
86°
67°
6
91°
68°
7
94°
69°
8
99°
69°
9
97°
69°
10
93°
68°
11
90°
67°
12
89°
67°
13
86°
68°
14
87°
69°
15
88°
70°
16
90°
69°
17
89°
69°
18
88°
69°
19
89°
70°
20
88°
69°
21
90°
68°
22
91°
69°
23
92°
70°
24
87°
66°
25
89°
68°
26
91°
69°
27
92°
70°
28
91°
70°
29
90°
69°
30
91°
69°
31
90°
68°
1
90°
68°
2
89°
66°
3
88°
66°
4
88°
67°
5
90°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Arcadia
Arcadia's August 2026 forecast shows daily high temperatures ranging from 86° to 99°, with overnight lows between 66° and 70°. The average high for August is 90° with an average low of 68°. 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 Arcadia. See also: September | October | November.
