S
M
T
W
T
F
S
26
73°
62°
27
70°
56°
28
76°
64°
29
76°
59°
30
73°
57°
31
71°
51°
1
71°
54°
2
80°
54°
3
82°
57°
4
75°
67°
5
69°
60°
6
69°
53°
7
73°
48°
8
78°
50°
9
80°
57°
10
74°
59°
11
83°
59°
12
92°
63°
13
86°
67°
14
77°
65°
15
75°
63°
16
74°
59°
17
74°
63°
18
71°
64°
19
71°
59°
20
69°
58°
21
66°
52°
22
69°
52°
23
73°
57°
24
75°
59°
25
74°
61°
26
71°
61°
27
69°
59°
28
67°
58°
29
68°
57°
30
69°
57°
31
69°
55°
1
68°
56°
2
69°
54°
3
68°
56°
4
69°
56°
5
67°
55°
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 75°, with overnight lows between 52° and 61°. The average high for August is 69° with an average low of 57°. 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.
