S
M
T
W
T
F
S
26
90°
70°
27
88°
72°
28
88°
70°
29
86°
68°
30
82°
68°
31
70°
61°
1
81°
59°
2
81°
61°
3
82°
64°
4
70°
54°
5
75°
50°
6
79°
54°
7
73°
55°
8
77°
52°
9
81°
61°
10
79°
61°
11
82°
64°
12
82°
64°
13
75°
64°
14
77°
63°
15
81°
64°
16
77°
59°
17
81°
54°
18
79°
59°
19
77°
54°
20
79°
57°
21
78°
57°
22
77°
51°
23
74°
56°
24
73°
62°
25
82°
56°
26
78°
53°
27
74°
54°
28
81°
53°
29
77°
54°
30
82°
64°
31
89°
65°
1
88°
65°
2
77°
53°
3
71°
52°
4
76°
57°
5
75°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Olivia
Olivia's August 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 51° and 65°. The average high for August is 78° with an average low of 57°. 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 Olivia. See also: September | October | November.
