S
M
T
W
T
F
S
26
90°
72°
27
90°
68°
28
86°
66°
29
88°
66°
30
90°
66°
31
91°
64°
1
91°
68°
2
93°
68°
3
90°
66°
4
84°
68°
5
86°
66°
6
90°
70°
7
94°
69°
8
95°
67°
9
94°
68°
10
93°
66°
11
90°
67°
12
89°
68°
13
86°
67°
14
87°
66°
15
86°
67°
16
88°
66°
17
89°
66°
18
89°
66°
19
88°
65°
20
86°
66°
21
89°
66°
22
91°
67°
23
91°
68°
24
86°
64°
25
89°
65°
26
90°
67°
27
90°
68°
28
89°
68°
29
90°
67°
30
90°
66°
31
90°
65°
1
89°
65°
2
89°
64°
3
87°
63°
4
88°
63°
5
90°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Lakeside
Lakeside's August 2026 forecast shows daily high temperatures ranging from 86° to 95°, with overnight lows between 63° and 68°. The average high for August is 89° 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 Lakeside. See also: September | October | November.