S
M
T
W
T
F
S
27
68°
57°
28
69°
56°
29
70°
56°
30
69°
59°
31
71°
58°
1
71°
57°
2
66°
57°
3
69°
56°
4
70°
57°
5
71°
58°
6
75°
60°
7
73°
57°
8
72°
58°
9
65°
57°
10
69°
58°
11
71°
56°
12
71°
58°
13
68°
60°
14
68°
57°
15
70°
60°
16
71°
62°
17
71°
59°
18
74°
62°
19
75°
61°
20
78°
60°
21
83°
63°
22
83°
67°
23
84°
65°
24
75°
64°
25
76°
62°
26
76°
61°
27
74°
58°
28
82°
61°
29
79°
63°
30
81°
63°
31
80°
63°
1
80°
66°
2
74°
66°
3
76°
66°
4
74°
62°
5
72°
61°
6
72°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Ventura
Ventura's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. 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 Ventura. See also: September | October | November.