S
M
T
W
T
F
S
26
72°
54°
27
78°
56°
28
75°
48°
29
77°
48°
30
80°
47°
31
84°
55°
1
78°
53°
2
77°
52°
3
82°
53°
4
85°
53°
5
87°
56°
6
82°
55°
7
80°
54°
8
79°
55°
9
77°
57°
10
80°
55°
11
82°
57°
12
82°
57°
13
83°
56°
14
78°
50°
15
76°
51°
16
81°
52°
17
81°
55°
18
78°
53°
19
81°
55°
20
81°
54°
21
80°
52°
22
73°
50°
23
80°
49°
24
78°
49°
25
80°
55°
26
73°
53°
27
76°
52°
28
79°
54°
29
80°
55°
30
80°
55°
31
79°
54°
1
80°
55°
2
80°
55°
3
78°
53°
4
77°
51°
5
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Centralia
Centralia's August 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 47° and 57°. The average high for August is 79° with an average low of 53°. 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 Centralia. See also: September | October | November.
