S
M
T
W
T
F
S
26
79°
57°
27
80°
60°
28
82°
64°
29
81°
64°
30
81°
63°
31
86°
64°
1
87°
63°
2
87°
64°
3
86°
65°
4
87°
63°
5
85°
58°
6
79°
57°
7
78°
56°
8
79°
58°
9
81°
57°
10
84°
57°
11
84°
58°
12
85°
62°
13
84°
63°
14
85°
64°
15
86°
64°
16
86°
63°
17
84°
63°
18
79°
58°
19
78°
58°
20
80°
59°
21
82°
62°
22
83°
62°
23
78°
56°
24
79°
58°
25
83°
62°
26
83°
54°
27
77°
61°
28
82°
63°
29
83°
63°
30
84°
61°
31
81°
60°
1
83°
59°
2
81°
60°
3
82°
58°
4
82°
60°
5
82°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monaca
Monaca's August 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 54° and 65°. The average high for August is 82° with an average low of 61°. 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 Monaca. See also: September | October | November.
