S
M
T
W
T
F
S
26
81°
66°
27
83°
68°
28
83°
67°
29
82°
68°
30
84°
69°
31
85°
69°
1
84°
68°
2
83°
66°
3
79°
62°
4
79°
64°
5
78°
62°
6
78°
62°
7
79°
66°
8
81°
65°
9
84°
67°
10
84°
67°
11
83°
66°
12
83°
67°
13
84°
66°
14
84°
66°
15
84°
67°
16
78°
67°
17
79°
66°
18
84°
68°
19
83°
67°
20
82°
61°
21
83°
58°
22
78°
59°
23
77°
60°
24
77°
61°
25
78°
59°
26
77°
65°
27
77°
60°
28
78°
58°
29
76°
59°
30
76°
57°
31
77°
57°
1
75°
58°
2
75°
58°
3
74°
59°
4
73°
58°
5
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in North Castle
North Castle's August 2026 forecast shows daily high temperatures ranging from 73° to 85°, with overnight lows between 57° and 69°. The average high for August is 80° 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 North Castle. See also: September | October | November.