S
M
T
W
T
F
S
26
82°
69°
27
83°
69°
28
81°
68°
29
81°
69°
30
79°
67°
31
76°
67°
1
76°
66°
2
77°
68°
3
76°
67°
4
77°
67°
5
76°
66°
6
75°
63°
7
75°
65°
8
76°
66°
9
77°
67°
10
75°
67°
11
77°
66°
12
77°
67°
13
76°
67°
14
78°
66°
15
75°
65°
16
74°
63°
17
74°
64°
18
75°
64°
19
75°
66°
20
78°
65°
21
75°
58°
22
72°
56°
23
72°
56°
24
73°
63°
25
74°
64°
26
79°
60°
27
74°
63°
28
74°
66°
29
82°
64°
30
83°
56°
31
73°
56°
1
73°
64°
2
78°
63°
3
73°
56°
4
75°
63°
5
81°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oswego Beach
Oswego Beach's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 55° and 69°. The average high for August is 76° with an average low of 64°. 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 Oswego Beach. See also: September | October | November.
