S
M
T
W
T
F
S
26
85°
72°
27
88°
73°
28
89°
73°
29
87°
72°
30
89°
73°
31
89°
73°
1
88°
72°
2
89°
73°
3
89°
74°
4
90°
73°
5
88°
72°
6
85°
72°
7
87°
73°
8
88°
71°
9
83°
68°
10
82°
66°
11
82°
69°
12
83°
71°
13
83°
71°
14
84°
70°
15
87°
71°
16
85°
71°
17
88°
64°
18
83°
65°
19
83°
70°
20
87°
69°
21
88°
70°
22
87°
69°
23
88°
70°
24
87°
69°
25
87°
69°
26
81°
68°
27
81°
66°
28
80°
66°
29
81°
65°
30
81°
66°
31
83°
68°
1
86°
69°
2
86°
69°
3
85°
66°
4
85°
62°
5
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Onancock
Onancock's August 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 62° and 74°. The average high for August is 85° with an average low of 69°. 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 Onancock. See also: September | October | November.
