S
M
T
W
T
F
S
26
81°
69°
27
79°
64°
28
75°
57°
29
77°
54°
30
77°
63°
31
79°
66°
1
78°
62°
2
77°
61°
3
79°
63°
4
82°
66°
5
77°
63°
6
78°
62°
7
79°
62°
8
77°
61°
9
75°
65°
10
77°
65°
11
75°
66°
12
75°
66°
13
76°
65°
14
74°
65°
15
77°
66°
16
79°
65°
17
75°
65°
18
73°
64°
19
75°
65°
20
74°
64°
21
72°
63°
22
76°
66°
23
80°
63°
24
72°
60°
25
73°
64°
26
74°
65°
27
78°
65°
28
79°
64°
29
77°
64°
30
70°
62°
31
70°
60°
1
69°
61°
2
71°
63°
3
75°
64°
4
76°
64°
5
77°
63°
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 69° to 82°, with overnight lows between 54° and 69°. The average high for August is 76° with an average low of 63°. 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.
