S
M
T
W
T
F
S
26
74°
60°
27
79°
60°
28
77°
61°
29
78°
60°
30
76°
54°
31
73°
54°
1
73°
55°
2
74°
58°
3
79°
61°
4
79°
61°
5
75°
60°
6
74°
58°
7
79°
60°
8
81°
60°
9
81°
54°
10
77°
53°
11
73°
52°
12
74°
53°
13
73°
52°
14
74°
51°
15
74°
55°
16
77°
57°
17
72°
54°
18
74°
53°
19
76°
52°
20
78°
52°
21
80°
58°
22
81°
58°
23
76°
57°
24
78°
54°
25
78°
48°
26
72°
49°
27
72°
51°
28
73°
51°
29
70°
55°
30
71°
56°
31
73°
54°
1
74°
50°
2
73°
48°
3
71°
48°
4
73°
49°
5
76°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Castorland
Castorland's August 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 48° and 61°. The average high for August is 75° with an average low of 55°. 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 Castorland. See also: September | October | November.