S
M
T
W
T
F
S
26
79°
53°
27
81°
54°
28
81°
53°
29
80°
53°
30
79°
51°
31
81°
53°
1
80°
52°
2
81°
53°
3
81°
53°
4
80°
52°
5
81°
53°
6
81°
53°
7
80°
52°
8
81°
53°
9
81°
53°
10
80°
52°
11
81°
52°
12
81°
53°
13
80°
52°
14
79°
49°
15
77°
52°
16
79°
52°
17
80°
49°
18
79°
49°
19
80°
51°
20
80°
51°
21
77°
53°
22
77°
54°
23
78°
54°
24
80°
53°
25
79°
51°
26
78°
49°
27
76°
48°
28
77°
51°
29
78°
53°
30
79°
53°
31
79°
52°
1
80°
53°
2
81°
53°
3
81°
52°
4
80°
50°
5
78°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Carmel Valley
Carmel Valley's August 2026 forecast shows daily high temperatures ranging from 76° to 81°, with overnight lows between 48° and 54°. The average high for August is 80° 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 Carmel Valley. See also: September | October | November.