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
93°
65°
13
81°
64°
14
76°
57°
15
76°
54°
16
72°
58°
17
69°
62°
18
71°
60°
19
70°
57°
20
71°
56°
21
69°
55°
22
70°
55°
23
70°
56°
24
71°
57°
25
69°
53°
26
66°
52°
27
65°
51°
28
65°
52°
29
68°
56°
30
69°
54°
31
67°
55°
1
66°
54°
2
66°
52°
3
65°
50°
4
67°
56°
5
69°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Llantwit Major
Llantwit Major's August 2026 forecast shows daily high temperatures ranging from 65° to 93°, with overnight lows between 50° and 65°. The average high for August is 70° 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 Llantwit Major. See also: September | October | November.
