S
M
T
W
T
F
S
26
86°
66°
27
85°
65°
28
84°
65°
29
81°
62°
30
81°
67°
31
82°
65°
1
84°
68°
2
81°
68°
3
88°
69°
4
87°
68°
5
84°
65°
6
85°
67°
7
88°
68°
8
88°
67°
9
87°
68°
10
86°
67°
11
82°
63°
12
85°
66°
13
87°
67°
14
81°
60°
15
79°
59°
16
79°
59°
17
83°
66°
18
80°
66°
19
79°
65°
20
82°
66°
21
83°
65°
22
81°
63°
23
81°
65°
24
84°
57°
25
82°
62°
26
86°
62°
27
85°
64°
28
86°
63°
29
79°
57°
30
77°
58°
31
79°
63°
1
81°
63°
2
79°
62°
3
82°
62°
4
79°
53°
5
77°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grandview Heights
Grandview Heights's August 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 53° and 69°. 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 Grandview Heights. See also: September | October | November.
