S
M
T
W
T
F
S
26
104°
78°
27
100°
82°
28
96°
78°
29
94°
67°
30
96°
68°
31
102°
70°
1
105°
73°
2
101°
75°
3
92°
69°
4
91°
63°
5
95°
64°
6
100°
68°
7
103°
70°
8
102°
74°
9
101°
81°
10
100°
77°
11
96°
79°
12
87°
73°
13
78°
64°
14
81°
60°
15
87°
61°
16
92°
67°
17
97°
72°
18
96°
75°
19
96°
70°
20
102°
75°
21
101°
75°
22
96°
71°
23
97°
71°
24
95°
70°
25
97°
73°
26
97°
70°
27
96°
71°
28
95°
70°
29
94°
69°
30
94°
66°
31
90°
68°
1
89°
66°
2
89°
65°
3
84°
59°
4
89°
66°
5
88°
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 84° to 101°, with overnight lows between 59° and 75°. The average high for August is 93° with an average low of 69°. 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.