S
M
T
W
T
F
S
26
77°
58°
27
77°
57°
28
80°
58°
29
78°
59°
30
84°
59°
31
85°
59°
1
87°
59°
2
89°
60°
3
91°
60°
4
84°
58°
5
81°
59°
6
80°
59°
7
79°
61°
8
78°
61°
9
85°
60°
10
82°
59°
11
82°
59°
12
81°
60°
13
76°
60°
14
76°
62°
15
82°
55°
16
87°
57°
17
83°
57°
18
84°
56°
19
89°
58°
20
84°
57°
21
81°
56°
22
83°
58°
23
84°
57°
24
83°
58°
25
84°
56°
26
84°
56°
27
85°
55°
28
84°
54°
29
84°
57°
30
81°
54°
31
81°
58°
1
80°
58°
2
80°
57°
3
85°
58°
4
85°
58°
5
83°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monte Sereno
Monte Sereno's August 2026 forecast shows daily high temperatures ranging from 80° to 89°, with overnight lows between 54° and 58°. The average high for August is 83° with an average low of 57°. 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 Monte Sereno. See also: September | October | November.
