S
M
T
W
T
F
S
26
78°
54°
27
81°
52°
28
63°
55°
29
70°
55°
30
74°
56°
31
75°
57°
1
74°
57°
2
72°
49°
3
72°
49°
4
70°
51°
5
72°
52°
6
72°
51°
7
68°
51°
8
69°
52°
9
66°
51°
10
63°
49°
11
63°
52°
12
62°
51°
13
62°
51°
14
61°
50°
15
61°
51°
16
62°
52°
17
63°
52°
18
64°
51°
19
66°
52°
20
64°
52°
21
65°
51°
22
66°
51°
23
65°
52°
24
61°
52°
25
62°
50°
26
61°
52°
27
61°
52°
28
62°
51°
29
61°
51°
30
61°
50°
31
60°
51°
1
61°
51°
2
60°
50°
3
61°
52°
4
61°
52°
5
62°
51°
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 60° to 75°, with overnight lows between 49° and 57°. The average high for August is 65° with an average low of 52°. 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.