S
M
T
W
T
F
S
26
79°
69°
27
77°
69°
28
77°
68°
29
77°
63°
30
77°
65°
31
77°
64°
1
77°
63°
2
78°
68°
3
78°
66°
4
77°
69°
5
78°
69°
6
79°
66°
7
78°
65°
8
79°
65°
9
79°
65°
10
79°
69°
11
80°
68°
12
79°
70°
13
76°
66°
14
78°
68°
15
81°
68°
16
79°
67°
17
80°
67°
18
79°
65°
19
80°
66°
20
78°
67°
21
79°
67°
22
80°
68°
23
79°
67°
24
79°
68°
25
78°
67°
26
79°
66°
27
80°
68°
28
78°
65°
29
76°
69°
30
77°
68°
31
74°
68°
1
74°
67°
2
74°
68°
3
75°
69°
4
78°
69°
5
79°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Castle Park
Castle Park's August 2026 forecast shows daily high temperatures ranging from 74° to 81°, with overnight lows between 65° and 69°. The average high for August is 78° 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 Castle Park. See also: September | October | November.
