S
M
T
W
T
F
S
26
84°
68°
27
89°
68°
28
90°
69°
29
90°
69°
30
89°
68°
31
89°
67°
1
88°
68°
2
88°
68°
3
89°
67°
4
90°
68°
5
90°
69°
6
89°
68°
7
85°
61°
8
90°
62°
9
88°
61°
10
84°
60°
11
83°
58°
12
84°
60°
13
86°
63°
14
87°
65°
15
87°
65°
16
83°
64°
17
82°
61°
18
86°
64°
19
86°
63°
20
81°
64°
21
82°
62°
22
82°
58°
23
84°
58°
24
87°
61°
25
88°
62°
26
88°
63°
27
87°
61°
28
87°
60°
29
85°
61°
30
82°
62°
31
83°
58°
1
79°
56°
2
80°
55°
3
79°
54°
4
78°
54°
5
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Big Clifty
Big Clifty's August 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 54° and 69°. The average high for August is 85° 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 Big Clifty. See also: September | October | November.