S
M
T
W
T
F
S
26
98°
77°
27
94°
80°
28
98°
78°
29
100°
79°
30
90°
76°
31
92°
75°
1
91°
76°
2
86°
75°
3
87°
75°
4
90°
74°
5
91°
75°
6
90°
76°
7
90°
77°
8
91°
76°
9
92°
77°
10
93°
77°
11
94°
78°
12
93°
77°
13
93°
76°
14
94°
78°
15
87°
77°
16
87°
76°
17
88°
78°
18
89°
76°
19
92°
78°
20
93°
78°
21
92°
77°
22
88°
78°
23
89°
78°
24
89°
77°
25
92°
78°
26
92°
78°
27
91°
77°
28
91°
77°
29
88°
78°
30
91°
77°
31
91°
78°
1
90°
77°
2
91°
77°
3
91°
76°
4
87°
77°
5
87°
77°
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 94°, with overnight lows between 74° and 78°. The average high for August is 90° with an average low of 77°. 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.