S
M
T
W
T
F
S
26
58°
41°
27
57°
40°
28
58°
41°
29
56°
36°
30
56°
39°
31
60°
41°
1
61°
42°
2
56°
44°
3
58°
39°
4
58°
40°
5
56°
37°
6
56°
37°
7
57°
39°
8
56°
38°
9
57°
38°
10
61°
42°
11
61°
40°
12
60°
42°
13
61°
38°
14
59°
41°
15
57°
40°
16
61°
43°
17
62°
43°
18
63°
42°
19
62°
41°
20
62°
39°
21
61°
37°
22
62°
39°
23
57°
41°
24
58°
40°
25
61°
39°
26
62°
42°
27
63°
44°
28
64°
40°
29
60°
38°
30
58°
37°
31
58°
38°
1
59°
38°
2
58°
41°
3
63°
38°
4
63°
40°
5
62°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mount Barker
Mount Barker's August 2026 forecast shows daily high temperatures ranging from 56° to 64°, with overnight lows between 36° and 44°. The average high for August is 59° with an average low of 40°. 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 Mount Barker. See also: September | October | November.
