S
M
T
W
T
F
S
26
92°
60°
27
89°
61°
28
92°
64°
29
92°
64°
30
95°
64°
31
99°
63°
1
99°
66°
2
100°
65°
3
102°
67°
4
101°
67°
5
101°
64°
6
101°
66°
7
102°
60°
8
104°
59°
9
99°
55°
10
95°
56°
11
93°
57°
12
94°
56°
13
94°
57°
14
93°
55°
15
92°
54°
16
88°
57°
17
88°
55°
18
89°
56°
19
87°
53°
20
87°
55°
21
91°
57°
22
90°
56°
23
88°
57°
24
92°
57°
25
91°
56°
26
92°
57°
27
91°
57°
28
91°
56°
29
89°
55°
30
88°
56°
31
89°
55°
1
87°
54°
2
89°
55°
3
91°
55°
4
85°
54°
5
86°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Clearlake Riviera
Clearlake Riviera's August 2026 forecast shows daily high temperatures ranging from 85° to 104°, with overnight lows between 53° and 67°. The average high for August is 93° with an average low of 57°. 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 Clearlake Riviera. See also: September | October | November.
