S
M
T
W
T
F
S
26
76°
56°
27
79°
58°
28
80°
59°
29
78°
59°
30
73°
58°
31
76°
54°
1
75°
58°
2
73°
57°
3
74°
56°
4
76°
57°
5
74°
53°
6
73°
54°
7
74°
54°
8
75°
57°
9
75°
58°
10
73°
58°
11
74°
56°
12
74°
55°
13
73°
56°
14
73°
55°
15
74°
57°
16
73°
57°
17
73°
56°
18
74°
55°
19
73°
53°
20
73°
54°
21
73°
51°
22
72°
48°
23
70°
49°
24
73°
50°
25
72°
51°
26
78°
52°
27
79°
56°
28
80°
55°
29
79°
55°
30
79°
51°
31
77°
52°
1
71°
55°
2
71°
51°
3
74°
48°
4
77°
55°
5
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monterey
Monterey's August 2026 forecast shows daily high temperatures ranging from 70° to 80°, with overnight lows between 48° and 59°. The average high for August is 75° with an average low of 55°. 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 Monterey. See also: September | October | November.
