S
M
T
W
T
F
S
26
84°
51°
27
85°
53°
28
88°
54°
29
89°
53°
30
88°
56°
31
88°
54°
1
87°
53°
2
87°
56°
3
88°
61°
4
89°
53°
5
87°
60°
6
88°
53°
7
84°
56°
8
77°
51°
9
75°
47°
10
75°
53°
11
79°
49°
12
77°
54°
13
83°
49°
14
76°
49°
15
74°
47°
16
75°
50°
17
77°
49°
18
78°
54°
19
80°
54°
20
74°
52°
21
74°
48°
22
75°
44°
23
74°
50°
24
77°
48°
25
78°
47°
26
78°
54°
27
83°
52°
28
83°
47°
29
74°
46°
30
78°
50°
31
78°
51°
1
70°
51°
2
71°
44°
3
70°
50°
4
73°
52°
5
69°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Olalla
Olalla's August 2026 forecast shows daily high temperatures ranging from 69° to 89°, with overnight lows between 44° and 61°. The average high for August is 79° with an average low of 51°. 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 Olalla. See also: September | October | November.