S
M
T
W
T
F
S
26
80°
64°
27
83°
65°
28
83°
64°
29
78°
64°
30
80°
63°
31
83°
65°
1
84°
64°
2
82°
64°
3
85°
64°
4
84°
63°
5
84°
56°
6
77°
59°
7
80°
60°
8
77°
58°
9
78°
58°
10
76°
56°
11
76°
61°
12
83°
62°
13
82°
59°
14
78°
56°
15
76°
54°
16
76°
59°
17
79°
61°
18
76°
55°
19
76°
54°
20
77°
53°
21
76°
55°
22
80°
61°
23
82°
60°
24
82°
61°
25
83°
60°
26
81°
59°
27
82°
60°
28
81°
58°
29
80°
60°
30
81°
53°
31
75°
50°
1
73°
50°
2
72°
51°
3
72°
49°
4
73°
50°
5
72°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Otisco Valley
Otisco Valley's August 2026 forecast shows daily high temperatures ranging from 72° to 85°, with overnight lows between 49° and 65°. The average high for August is 79° with an average low of 58°. 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 Otisco Valley. See also: September | October | November.