S
M
T
W
T
F
S
26
58°
44°
27
58°
47°
28
59°
47°
29
59°
48°
30
60°
47°
31
59°
48°
1
60°
48°
2
59°
49°
3
60°
50°
4
61°
48°
5
62°
45°
6
61°
44°
7
61°
45°
8
66°
50°
9
65°
50°
10
60°
48°
11
60°
46°
12
Hist. Avg.
65°
50°
13
Hist. Avg.
65°
50°
14
Hist. Avg.
65°
50°
15
Hist. Avg.
65°
50°
16
Hist. Avg.
65°
50°
17
Hist. Avg.
65°
50°
18
Hist. Avg.
65°
50°
19
Hist. Avg.
65°
50°
20
Hist. Avg.
65°
50°
21
Hist. Avg.
65°
50°
22
Hist. Avg.
65°
50°
23
Hist. Avg.
65°
50°
24
Hist. Avg.
65°
50°
25
Hist. Avg.
65°
50°
26
Hist. Avg.
65°
50°
27
Hist. Avg.
65°
50°
28
Hist. Avg.
65°
50°
29
Hist. Avg.
65°
50°
30
Hist. Avg.
65°
50°
31
Hist. Avg.
65°
50°
1
Hist. Avg.
65°
49°
2
Hist. Avg.
65°
49°
3
Hist. Avg.
65°
49°
4
Hist. Avg.
65°
49°
5
Hist. Avg.
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Mendocino
Mendocino's August 2026 forecast shows daily high temperatures ranging from 58° to 66°, with overnight lows between 44° and 50°. The average high for August is 60° with an average low of 47°. 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 Mendocino. See also: September | October | November.
