S
M
T
W
T
F
S
26
82°
61°
27
80°
60°
28
80°
65°
29
82°
61°
30
79°
61°
31
79°
62°
1
80°
61°
2
79°
65°
3
80°
65°
4
81°
64°
5
84°
61°
6
78°
59°
7
79°
63°
8
84°
63°
9
79°
64°
10
82°
65°
11
80°
61°
12
80°
64°
13
83°
64°
14
83°
61°
15
78°
58°
16
77°
58°
17
77°
61°
18
78°
64°
19
77°
65°
20
80°
64°
21
82°
64°
22
82°
63°
23
80°
64°
24
84°
62°
25
84°
61°
26
83°
60°
27
79°
59°
28
78°
58°
29
75°
54°
30
74°
53°
31
73°
53°
1
73°
58°
2
74°
62°
3
75°
61°
4
81°
62°
5
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Orange County
Orange County's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 53° and 65°. The average high for August is 80° with an average low of 61°. 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 Orange County. See also: September | October | November.
