S
M
T
W
T
F
S
26
83°
64°
27
84°
64°
28
83°
63°
29
87°
63°
30
82°
65°
31
88°
67°
1
88°
66°
2
84°
63°
3
83°
63°
4
83°
65°
5
81°
65°
6
82°
64°
7
82°
65°
8
81°
64°
9
81°
60°
10
82°
64°
11
84°
64°
12
82°
61°
13
81°
65°
14
85°
65°
15
86°
64°
16
84°
65°
17
83°
64°
18
85°
65°
19
82°
65°
20
85°
64°
21
84°
65°
22
81°
64°
23
79°
63°
24
78°
64°
25
81°
63°
26
82°
64°
27
81°
64°
28
80°
60°
29
86°
61°
30
84°
61°
31
83°
60°
1
83°
61°
2
84°
60°
3
83°
60°
4
82°
59°
5
81°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Grottoes
Grottoes's August 2026 forecast shows daily high temperatures ranging from 78° to 88°, with overnight lows between 59° and 67°. The average high for August is 83° with an average low of 63°. 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 Grottoes. See also: September | October | November.
