S
M
T
W
T
F
S
26
75°
67°
27
77°
66°
28
77°
66°
29
74°
65°
30
75°
67°
31
77°
67°
1
76°
66°
2
73°
68°
3
77°
68°
4
77°
67°
5
78°
68°
6
76°
68°
7
77°
67°
8
77°
68°
9
76°
66°
10
76°
66°
11
72°
65°
12
74°
64°
13
74°
62°
14
72°
64°
15
72°
66°
16
74°
67°
17
77°
67°
18
76°
68°
19
77°
67°
20
78°
68°
21
76°
67°
22
73°
68°
23
76°
67°
24
75°
67°
25
73°
64°
26
72°
61°
27
71°
63°
28
72°
67°
29
73°
67°
30
73°
66°
31
76°
66°
1
75°
64°
2
74°
64°
3
74°
62°
4
73°
61°
5
72°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Imperial Beach
Imperial Beach's August 2026 forecast shows daily high temperatures ranging from 71° to 78°, with overnight lows between 61° and 68°. The average high for August is 75° 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 Imperial Beach. See also: September | October | November.
