S
M
T
W
T
F
S
26
80°
61°
27
83°
63°
28
82°
68°
29
78°
57°
30
83°
55°
31
87°
60°
1
79°
68°
2
78°
66°
3
79°
54°
4
84°
50°
5
86°
61°
6
87°
60°
7
85°
70°
8
88°
67°
9
89°
62°
10
88°
67°
11
79°
65°
12
73°
63°
13
85°
61°
14
79°
68°
15
84°
67°
16
85°
72°
17
83°
68°
18
81°
63°
19
82°
64°
20
82°
66°
21
85°
61°
22
82°
62°
23
73°
57°
24
76°
51°
25
79°
52°
26
83°
53°
27
80°
63°
28
78°
61°
29
85°
54°
30
82°
62°
31
87°
66°
1
91°
73°
2
94°
70°
3
94°
72°
4
83°
69°
5
83°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Plain City
Plain City's August 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Plain City. See also: September | October | November.