S
M
T
W
T
F
S
26
80°
64°
27
79°
65°
28
79°
66°
29
78°
66°
30
80°
65°
31
80°
66°
1
79°
65°
2
79°
64°
3
77°
65°
4
77°
65°
5
78°
64°
6
79°
65°
7
79°
65°
8
78°
63°
9
79°
64°
10
81°
65°
11
80°
64°
12
80°
65°
13
81°
64°
14
81°
64°
15
76°
64°
16
77°
65°
17
Hist. Avg.
78°
62°
18
Hist. Avg.
78°
62°
19
Hist. Avg.
78°
62°
20
Hist. Avg.
79°
62°
21
Hist. Avg.
79°
62°
22
Hist. Avg.
79°
62°
23
Hist. Avg.
79°
62°
24
Hist. Avg.
79°
61°
25
Hist. Avg.
79°
61°
26
Hist. Avg.
79°
61°
27
Hist. Avg.
79°
61°
28
Hist. Avg.
79°
61°
29
Hist. Avg.
79°
61°
30
Hist. Avg.
79°
61°
31
Hist. Avg.
79°
61°
1
Hist. Avg.
79°
61°
2
Hist. Avg.
79°
61°
3
Hist. Avg.
79°
61°
4
Hist. Avg.
79°
60°
5
Hist. Avg.
79°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Oceanside
Oceanside's August 2026 forecast shows daily high temperatures ranging from 76° to 81°, with overnight lows between 63° and 66°. The average high for August is 79° with an average low of 65°. 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 Oceanside. See also: September | October | November.
