S
M
T
W
T
F
S
26
81°
70°
27
81°
71°
28
82°
70°
29
85°
69°
30
86°
68°
31
89°
69°
1
85°
68°
2
86°
69°
3
84°
70°
4
83°
70°
5
84°
68°
6
84°
69°
7
82°
65°
8
85°
69°
9
84°
68°
10
81°
68°
11
82°
67°
12
81°
66°
13
80°
66°
14
82°
67°
15
81°
67°
16
82°
68°
17
83°
68°
18
84°
67°
19
85°
69°
20
85°
69°
21
84°
68°
22
84°
69°
23
85°
68°
24
85°
68°
25
84°
67°
26
84°
66°
27
79°
65°
28
78°
63°
29
78°
61°
30
79°
61°
31
78°
62°
1
78°
62°
2
79°
61°
3
78°
61°
4
77°
62°
5
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Long Beach
Long Beach's August 2026 forecast shows daily high temperatures ranging from 77° to 89°, with overnight lows between 61° and 71°. The average high for August is 82° with an average low of 67°. 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 Long Beach. See also: September | October | November.
