S
M
T
W
T
F
S
26
78°
54°
27
81°
52°
28
82°
60°
29
84°
60°
30
85°
58°
31
85°
55°
1
93°
60°
2
90°
64°
3
82°
60°
4
71°
51°
5
67°
53°
6
66°
51°
7
73°
47°
8
71°
50°
9
86°
51°
10
72°
49°
11
66°
50°
12
65°
49°
13
61°
50°
14
64°
53°
15
67°
51°
16
73°
48°
17
70°
52°
18
74°
50°
19
70°
51°
20
70°
47°
21
71°
52°
22
84°
49°
23
83°
57°
24
68°
50°
25
76°
50°
26
88°
52°
27
87°
64°
28
70°
56°
29
77°
49°
30
73°
50°
31
69°
47°
1
65°
53°
2
65°
55°
3
62°
57°
4
68°
48°
5
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Gualala
Gualala's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Gualala. See also: September | October | November.