S
M
T
W
T
F
S
26
93°
55°
27
88°
54°
28
88°
57°
29
87°
57°
30
87°
56°
31
86°
57°
1
85°
57°
2
87°
56°
3
88°
57°
4
88°
57°
5
88°
56°
6
88°
57°
7
88°
57°
8
86°
56°
9
87°
57°
10
88°
57°
11
87°
56°
12
89°
57°
13
89°
58°
14
88°
57°
15
88°
57°
16
89°
56°
17
89°
57°
18
88°
57°
19
89°
56°
20
89°
57°
21
90°
57°
22
89°
56°
23
88°
55°
24
88°
53°
25
89°
54°
26
90°
54°
27
88°
53°
28
90°
56°
29
91°
55°
30
91°
55°
31
90°
56°
1
90°
55°
2
89°
55°
3
90°
54°
4
90°
55°
5
89°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Atascadero
Atascadero's August 2026 forecast shows daily high temperatures ranging from 85° to 93°, with overnight lows between 51° and 58°. The average high for August is 89° with an average low of 56°. 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 Atascadero. See also: September | October | November.
