S
M
T
W
T
F
S
26
85°
75°
27
85°
75°
28
86°
74°
29
85°
74°
30
88°
75°
31
89°
76°
1
88°
75°
2
87°
74°
3
84°
74°
4
83°
73°
5
84°
74°
6
84°
74°
7
83°
73°
8
83°
73°
9
84°
72°
10
85°
73°
11
87°
73°
12
84°
72°
13
83°
72°
14
86°
71°
15
82°
72°
16
82°
73°
17
86°
71°
18
87°
72°
19
86°
71°
20
86°
68°
21
85°
65°
22
81°
66°
23
80°
66°
24
80°
69°
25
82°
68°
26
83°
71°
27
85°
69°
28
85°
69°
29
84°
70°
30
81°
66°
31
85°
65°
1
78°
66°
2
78°
69°
3
80°
70°
4
82°
68°
5
84°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oyster
Oyster's August 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 65° and 76°. The average high for August is 84° with an average low of 71°. 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 Oyster. See also: September | October | November.