S
M
T
W
T
F
S
26
70°
63°
27
68°
59°
28
70°
64°
29
70°
63°
30
72°
52°
31
70°
43°
1
70°
45°
2
77°
54°
3
76°
65°
4
71°
58°
5
69°
54°
6
68°
55°
7
67°
57°
8
70°
58°
9
70°
56°
10
68°
58°
11
70°
60°
12
70°
58°
13
69°
59°
14
69°
60°
15
68°
59°
16
67°
59°
17
66°
59°
18
64°
58°
19
64°
56°
20
65°
56°
21
64°
54°
22
63°
54°
23
64°
59°
24
66°
59°
25
67°
58°
26
66°
58°
27
65°
56°
28
66°
58°
29
67°
57°
30
68°
58°
31
67°
58°
1
64°
57°
2
63°
57°
3
63°
56°
4
64°
57°
5
63°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in St Clears/sancler
St Clears/sancler's August 2026 forecast shows daily high temperatures ranging from 63° to 76°, with overnight lows between 54° and 65°. The average high for August is 67° with an average low of 58°. 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 St Clears/sancler. See also: September | October | November.