S
M
T
W
T
F
S
26
72°
58°
27
73°
57°
28
72°
59°
29
69°
58°
30
68°
58°
31
67°
57°
1
69°
56°
2
68°
53°
3
70°
57°
4
71°
59°
5
72°
59°
6
71°
58°
7
68°
58°
8
68°
57°
9
69°
58°
10
69°
57°
11
72°
59°
12
72°
59°
13
73°
58°
14
73°
58°
15
72°
59°
16
73°
59°
17
72°
58°
18
72°
55°
19
67°
52°
20
67°
53°
21
68°
52°
22
67°
53°
23
68°
55°
24
67°
53°
25
67°
54°
26
68°
57°
27
66°
56°
28
66°
53°
29
68°
53°
30
67°
52°
31
66°
51°
1
68°
52°
2
69°
55°
3
70°
56°
4
70°
53°
5
69°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Porthcawl
Porthcawl's August 2026 forecast shows daily high temperatures ranging from 66° to 73°, with overnight lows between 50° and 59°. The average high for August is 69° 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 Porthcawl. See also: September | October | November.
