S
M
T
W
T
F
S
26
81°
55°
27
81°
55°
28
82°
56°
29
81°
56°
30
80°
55°
31
81°
55°
1
84°
56°
2
86°
57°
3
82°
57°
4
80°
54°
5
80°
54°
6
81°
54°
7
81°
55°
8
82°
56°
9
81°
57°
10
86°
54°
11
83°
53°
12
86°
53°
13
85°
55°
14
87°
58°
15
86°
57°
16
87°
59°
17
87°
59°
18
88°
58°
19
88°
59°
20
87°
59°
21
87°
58°
22
88°
58°
23
87°
57°
24
87°
57°
25
86°
58°
26
87°
58°
27
87°
57°
28
86°
57°
29
87°
55°
30
85°
56°
31
85°
54°
1
84°
53°
2
82°
52°
3
81°
51°
4
82°
50°
5
80°
51°
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 88°, with overnight lows between 50° and 59°. The average high for August is 84° with an average low of 56°. 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.
