S
M
T
W
T
F
S
26
70°
63°
27
68°
59°
28
70°
64°
29
70°
63°
30
72°
52°
31
N/A
1
70°
52°
2
75°
60°
3
76°
63°
4
71°
60°
5
70°
57°
6
71°
57°
7
68°
56°
8
69°
58°
9
71°
60°
10
71°
61°
11
70°
58°
12
71°
59°
13
69°
59°
14
70°
61°
15
70°
61°
16
69°
60°
17
69°
60°
18
68°
59°
19
68°
60°
20
67°
59°
21
66°
59°
22
64°
58°
23
64°
59°
24
64°
59°
25
65°
58°
26
67°
59°
27
66°
58°
28
65°
58°
29
64°
57°
30
65°
58°
31
63°
56°
1
63°
56°
2
64°
58°
3
64°
55°
4
62°
54°
5
62°
53°
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 62° to 76°, with overnight lows between 52° and 63°. The average high for August is 68° 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.