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
74°
55°
3
75°
63°
4
71°
61°
5
68°
54°
6
67°
50°
7
68°
54°
8
69°
53°
9
71°
56°
10
73°
57°
11
72°
58°
12
72°
59°
13
73°
61°
14
72°
58°
15
69°
59°
16
68°
58°
17
67°
58°
18
66°
56°
19
65°
54°
20
65°
54°
21
66°
53°
22
65°
53°
23
65°
56°
24
67°
58°
25
68°
58°
26
67°
56°
27
66°
53°
28
69°
57°
29
69°
56°
30
70°
57°
31
69°
57°
1
65°
56°
2
64°
54°
3
64°
53°
4
65°
54°
5
65°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Kidwelly
Kidwelly's August 2026 forecast shows daily high temperatures ranging from 64° to 75°, with overnight lows between 50° and 63°. The average high for August is 68° with an average low of 56°. 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 Kidwelly. See also: September | October | November.