S
M
T
W
T
F
S
26
71°
55°
27
70°
56°
28
73°
56°
29
72°
55°
30
70°
55°
31
71°
56°
1
70°
54°
2
71°
53°
3
70°
52°
4
72°
53°
5
74°
56°
6
74°
57°
7
73°
58°
8
72°
56°
9
69°
52°
10
69°
52°
11
70°
51°
12
69°
54°
13
70°
55°
14
69°
54°
15
69°
55°
16
70°
55°
17
71°
54°
18
73°
55°
19
72°
56°
20
73°
56°
21
72°
55°
22
72°
56°
23
71°
55°
24
72°
55°
25
72°
54°
26
71°
55°
27
70°
52°
28
71°
55°
29
70°
55°
30
71°
51°
31
70°
50°
1
68°
51°
2
69°
54°
3
68°
55°
4
69°
50°
5
67°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Siston
Siston's August 2026 forecast shows daily high temperatures ranging from 67° to 74°, with overnight lows between 50° and 58°. The average high for August is 71° with an average low of 54°. 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 Siston. See also: September | October | November.
