S
M
T
W
T
F
S
26
79°
62°
27
86°
68°
28
82°
63°
29
78°
58°
30
80°
59°
31
84°
61°
1
86°
68°
2
80°
66°
3
83°
65°
4
86°
68°
5
88°
67°
6
85°
66°
7
82°
65°
8
84°
68°
9
83°
63°
10
86°
67°
11
84°
66°
12
83°
67°
13
86°
66°
14
80°
66°
15
81°
63°
16
83°
66°
17
84°
66°
18
80°
65°
19
84°
65°
20
82°
63°
21
82°
63°
22
79°
64°
23
85°
65°
24
86°
59°
25
78°
58°
26
83°
65°
27
87°
66°
28
87°
66°
29
86°
65°
30
84°
61°
31
77°
56°
1
77°
56°
2
76°
55°
3
77°
58°
4
84°
63°
5
81°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Monongahela
Monongahela's August 2026 forecast shows daily high temperatures ranging from 76° to 88°, with overnight lows between 55° and 68°. The average high for August is 83° with an average low of 64°. 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 Monongahela. See also: September | October | November.
