S
M
T
W
T
F
S
26
90°
72°
27
93°
75°
28
92°
75°
29
94°
74°
30
94°
75°
31
93°
75°
1
94°
74°
2
94°
75°
3
93°
75°
4
94°
74°
5
93°
75°
6
93°
75°
7
94°
74°
8
93°
74°
9
94°
74°
10
93°
74°
11
94°
73°
12
93°
74°
13
93°
74°
14
91°
73°
15
89°
74°
16
89°
71°
17
90°
73°
18
91°
73°
19
92°
72°
20
92°
73°
21
91°
73°
22
90°
72°
23
91°
72°
24
93°
69°
25
92°
70°
26
90°
70°
27
89°
68°
28
90°
69°
29
92°
70°
30
93°
68°
31
92°
70°
1
91°
70°
2
88°
67°
3
87°
65°
4
86°
66°
5
85°
69°
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 85° to 94°, with overnight lows between 65° and 75°. The average high for August is 92° with an average low of 72°. 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.
