S
M
T
W
T
F
S
26
68°
61°
27
66°
59°
28
68°
63°
29
70°
59°
30
66°
59°
31
66°
54°
1
67°
50°
2
72°
59°
3
75°
60°
4
73°
61°
5
69°
55°
6
68°
53°
7
70°
56°
8
70°
55°
9
71°
56°
10
72°
56°
11
73°
57°
12
72°
57°
13
70°
56°
14
72°
58°
15
69°
57°
16
68°
56°
17
66°
57°
18
65°
54°
19
65°
52°
20
66°
52°
21
65°
51°
22
64°
51°
23
65°
54°
24
68°
56°
25
68°
56°
26
66°
54°
27
65°
52°
28
68°
54°
29
68°
55°
30
69°
56°
31
69°
56°
1
64°
55°
2
64°
54°
3
63°
53°
4
64°
54°
5
63°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Penmaenmawr
Penmaenmawr's August 2026 forecast shows daily high temperatures ranging from 63° to 75°, with overnight lows between 50° and 61°. The average high for August is 68° with an average low of 55°. 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 Penmaenmawr. See also: September | October | November.
