S
M
T
W
T
F
S
26
87°
70°
27
89°
70°
28
89°
69°
29
88°
70°
30
89°
71°
31
90°
71°
1
88°
70°
2
84°
69°
3
82°
68°
4
82°
69°
5
83°
69°
6
82°
68°
7
82°
66°
8
83°
68°
9
84°
69°
10
86°
69°
11
87°
68°
12
85°
69°
13
85°
69°
14
87°
67°
15
83°
69°
16
82°
68°
17
86°
69°
18
87°
68°
19
86°
67°
20
84°
63°
21
83°
61°
22
81°
60°
23
80°
61°
24
82°
62°
25
82°
61°
26
81°
67°
27
86°
63°
28
85°
63°
29
82°
64°
30
80°
60°
31
80°
59°
1
78°
60°
2
78°
63°
3
79°
65°
4
79°
60°
5
81°
59°
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 78° to 90°, with overnight lows between 59° and 71°. The average high for August is 84° with an average low of 66°. 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.
