S
M
T
W
T
F
S
26
85°
70°
27
86°
70°
28
84°
69°
29
85°
65°
30
80°
66°
31
80°
68°
1
83°
67°
2
80°
63°
3
80°
63°
4
81°
64°
5
81°
66°
6
83°
68°
7
86°
67°
8
86°
65°
9
85°
64°
10
85°
64°
11
84°
65°
12
83°
65°
13
83°
66°
14
81°
68°
15
83°
66°
16
84°
68°
17
81°
64°
18
82°
63°
19
81°
62°
20
82°
63°
21
82°
66°
22
82°
67°
23
Hist. Avg.
89°
66°
24
Hist. Avg.
89°
66°
25
Hist. Avg.
89°
66°
26
Hist. Avg.
89°
66°
27
Hist. Avg.
89°
66°
28
Hist. Avg.
89°
66°
29
Hist. Avg.
89°
66°
30
Hist. Avg.
89°
66°
31
Hist. Avg.
89°
66°
1
Hist. Avg.
89°
66°
2
Hist. Avg.
89°
65°
3
Hist. Avg.
89°
65°
4
Hist. Avg.
89°
65°
5
Hist. Avg.
89°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Garden Grove
Garden Grove's August 2026 forecast shows daily high temperatures ranging from 80° to 86°, with overnight lows between 62° and 70°. The average high for August is 83° 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 Garden Grove. See also: September | October | November.
