S
M
T
W
T
F
S
26
81°
60°
27
82°
66°
28
80°
72°
29
82°
68°
30
77°
68°
31
82°
67°
1
84°
71°
2
81°
72°
3
81°
72°
4
84°
71°
5
83°
73°
6
86°
71°
7
87°
70°
8
87°
72°
9
88°
70°
10
88°
68°
11
87°
69°
12
83°
66°
13
84°
64°
14
81°
66°
15
81°
64°
16
79°
63°
17
86°
65°
18
84°
63°
19
82°
69°
20
84°
66°
21
82°
63°
22
81°
67°
23
86°
69°
24
87°
70°
25
86°
69°
26
84°
68°
27
78°
68°
28
78°
69°
29
83°
67°
30
84°
68°
31
83°
68°
1
84°
63°
2
76°
60°
3
75°
60°
4
75°
61°
5
76°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in New Cassel
New Cassel's August 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 59° and 73°. The average high for August is 83° with an average low of 67°. 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 New Cassel. See also: September | October | November.