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Wind and rain marking a change in the UK weather
Warnings have been issued as the weather across the UK becomes increasingly mild but wet and windy.
Read moreLlantwit Major (Vale of Glamorgan) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 10° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 10° Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 20° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 21° Celsius;Maximum daytime temperature: 21° Celsius;
8 day forecast for Llantwit Major
Today (13 May 2025)
| Time |
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
 |
|
|
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
<5%
|
<5%
|
10%
|
10%
|
<5%
|
10%
|
30%
|
50%
|
60%
|
50%
|
20%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
| Temperature |
12°
|
12°
|
12°
|
13°
|
15°
|
16°
|
17°
|
18°
|
19°
|
19°
|
19°
|
19°
|
20°
|
20°
|
19°
|
19°
|
18°
|
15°
|
14°
|
14°
|
| Feels like temperature (°C) |
11°
|
11°
|
11°
|
12°
|
13°
|
14°
|
15°
|
16°
|
17°
|
17°
|
17°
|
18°
|
18°
|
19°
|
19°
|
19°
|
18°
|
15°
|
14°
|
14°
|
| Wind direction and speed |
ENE
6
|
ENE
6
|
ENE
7
|
ENE
7
|
ENE
9
|
E
11
|
E
11
|
E
11
|
E
10
|
ESE
10
|
ESE
9
|
ESE
8
|
E
7
|
E
6
|
SE
6
|
ESE
5
|
ENE
4
|
N
4
|
NNW
3
|
NNW
3
|
| Wind gust (mph) |
13
|
14
|
15
|
17
|
19
|
20
|
20
|
20
|
19
|
18
|
18
|
16
|
14
|
12
|
10
|
9
|
8
|
7
|
6
|
7
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
81%
|
79%
|
81%
|
77%
|
74%
|
70%
|
65%
|
60%
|
58%
|
60%
|
59%
|
60%
|
57%
|
57%
|
59%
|
71%
|
78%
|
79%
|
81%
|
| UV | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Wednesday (14 May 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
13°
|
12°
|
12°
|
12°
|
11°
|
10°
|
11°
|
13°
|
15°
|
17°
|
19°
|
20°
|
21°
|
22°
|
23°
|
23°
|
23°
|
23°
|
21°
|
19°
|
17°
|
16°
|
15°
|
| Feels like temperature (°C) |
13°
|
12°
|
11°
|
10°
|
10°
|
9°
|
8°
|
9°
|
11°
|
13°
|
14°
|
15°
|
17°
|
18°
|
20°
|
21°
|
21°
|
21°
|
21°
|
20°
|
17°
|
15°
|
13°
|
12°
|
| Wind direction and speed (mph) |
NNE
4
|
NE
5
|
NE
7
|
ENE
9
|
ENE
10
|
NE
10
|
NE
10
|
NE
11
|
ENE
12
|
ENE
13
|
ENE
13
|
ENE
13
|
ENE
12
|
E
11
|
E
9
|
ENE
8
|
NE
7
|
NE
7
|
NE
7
|
NE
7
|
N
7
|
NNE
8
|
NE
11
|
ENE
12
|
| Wind gust (mph) |
9
|
12
|
14
|
18
|
21
|
21
|
22
|
23
|
23
|
23
|
23
|
21
|
20
|
19
|
18
|
18
|
17
|
16
|
16
|
17
|
17
|
18
|
23
|
23
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
79%
|
77%
|
70%
|
65%
|
65%
|
67%
|
65%
|
58%
|
55%
|
51%
|
42%
|
40%
|
40%
|
40%
|
39%
|
36%
|
36%
|
39%
|
41%
|
50%
|
45%
|
46%
|
55%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | - | - | - |
Thursday (15 May 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
13°
|
12°
|
8°
|
9°
|
14°
|
16°
|
17°
|
16°
|
12°
|
| Feels like temperature (°C) |
11°
|
10°
|
6°
|
7°
|
12°
|
14°
|
15°
|
14°
|
11°
|
| Wind direction and speed (mph) |
ENE
12
|
ENE
10
|
ENE
7
|
ENE
7
|
ENE
7
|
SW
8
|
WSW
9
|
W
7
|
NNE
6
|
| Wind gust (mph) |
23
|
21
|
19
|
18
|
16
|
18
|
18
|
15
|
19
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
62%
|
65%
|
75%
|
75%
|
58%
|
58%
|
55%
|
66%
|
72%
|
| UV | - | - | - | 1 | 4 | 6 | 3 | 1 | - |
Friday (16 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
8°
|
8°
|
14°
|
18°
|
18°
|
17°
|
12°
|
| Feels like temperature (°C) |
8°
|
5°
|
6°
|
13°
|
16°
|
16°
|
15°
|
11°
|
| Wind direction and speed (mph) |
ENE
9
|
NE
9
|
ENE
8
|
E
8
|
SE
8
|
W
9
|
WNW
9
|
N
6
|
| Wind gust (mph) |
21
|
20
|
20
|
19
|
18
|
18
|
16
|
16
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
66%
|
82%
|
76%
|
54%
|
44%
|
45%
|
53%
|
73%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Saturday (17 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
8°
|
9°
|
13°
|
16°
|
19°
|
18°
|
13°
|
| Feels like temperature (°C) |
9°
|
6°
|
7°
|
11°
|
14°
|
17°
|
17°
|
13°
|
| Wind direction and speed (mph) |
NE
7
|
ENE
7
|
ENE
8
|
E
10
|
ESE
9
|
ESE
8
|
NW
8
|
N
5
|
| Wind gust (mph) |
16
|
17
|
20
|
18
|
17
|
14
|
12
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
64%
|
80%
|
74%
|
65%
|
55%
|
45%
|
46%
|
68%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Sunday (18 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
9°
|
12°
|
15°
|
18°
|
20°
|
19°
|
14°
|
| Feels like temperature (°C) |
10°
|
8°
|
11°
|
14°
|
17°
|
18°
|
17°
|
13°
|
| Wind direction and speed (mph) |
NE
5
|
NE
5
|
ENE
6
|
E
7
|
ESE
7
|
S
7
|
SW
7
|
ENE
5
|
| Wind gust (mph) |
6
|
6
|
10
|
12
|
12
|
11
|
9
|
7
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
81%
|
72%
|
65%
|
52%
|
45%
|
45%
|
71%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Monday (19 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
11°
|
10°
|
12°
|
15°
|
18°
|
20°
|
19°
|
14°
|
| Feels like temperature (°C) |
11°
|
9°
|
10°
|
13°
|
16°
|
17°
|
17°
|
13°
|
| Wind direction and speed (mph) |
E
5
|
ENE
6
|
ENE
7
|
E
8
|
SE
8
|
SE
8
|
SE
8
|
E
6
|
| Wind gust (mph) |
6
|
6
|
11
|
15
|
15
|
13
|
10
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
81%
|
76%
|
65%
|
52%
|
43%
|
44%
|
64%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Tuesday (20 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
 |
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
20%
|
– |
| Temperature (°C) |
12°
|
10°
|
12°
|
16°
|
19°
|
20°
|
19°
|
15°
|
| Feels like temperature (°C) |
11°
|
8°
|
11°
|
14°
|
17°
|
17°
|
17°
|
14°
|
| Wind direction and speed (mph) |
ENE
6
|
ENE
6
|
NE
6
|
E
8
|
SSE
9
|
S
9
|
SW
8
|
W
7
|
| Wind gust (mph) |
6
|
5
|
8
|
12
|
14
|
12
|
12
|
– |
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
75%
|
84%
|
74%
|
63%
|
48%
|
45%
|
45%
|
62%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Tooltip header
Llantwit Major weather map
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Wales weather forecast
Headline:
Warm sunny spells with heavy, possibly thundery showers developing.
Today:
Any early mist and fog patches clearing to give a mostly fine day, with warm sunny spells. Heavy, possibly thundery showers breaking out in the south during the afternoon. Feeling warm with light winds, though gusty around any heavy downpours. Maximum temperature 24 °C.
Tonight:
Day-time showers soon easing this evening to leave some late sunshine. Drier overnight with variable amounts of cloud and clear spells. Turning chilly with a touch of frost. Minimum temperature 6 °C.
Wednesday:
A fine day with plenty of sunshine. Dry throughout and feeling pleasant in the sunshine with light winds Maximum temperature 24 °C.
Outlook for Thursday to Saturday:
Staying fine and settled through the remainder of the week. Dry with plenty of sunshine by day, with clear skies overnight. Temperatures staying above average, but with some cooler nights.
Updated:
UK long range weather forecast
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