Garwnant Visitor Centre (Merthyr Tydfil) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 21° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 18° Celsius; Minimum nighttime temperature: 8° Celsius; -
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 8° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 8° Celsius;
-
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 19° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 4° Celsius;
-
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 16° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 17° Celsius; Minimum nighttime temperature: 7° Celsius;
-
Maximum daytime temperature: 16° Celsius;Maximum daytime temperature: 16° Celsius;
Sunny.
Sunrise:
Sunset:
8 day forecast for Garwnant Visitor Centre
Today (18 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
8°
|
7°
|
7°
|
9°
|
12°
|
14°
|
15°
|
17°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
19°
|
18°
|
17°
|
14°
|
13°
|
13°
|
| Feels like temperature (°C) |
7°
|
6°
|
7°
|
9°
|
12°
|
14°
|
15°
|
16°
|
17°
|
17°
|
18°
|
18°
|
18°
|
18°
|
18°
|
17°
|
16°
|
14°
|
12°
|
11°
|
| Wind direction and speed |
NE
4
|
NNE
3
|
N
3
|
N
2
|
NNE
3
|
NE
3
|
NNE
4
|
N
4
|
NNE
5
|
NNE
5
|
NNE
5
|
NE
5
|
NE
6
|
NE
6
|
NE
6
|
NNE
5
|
NNE
4
|
NNW
4
|
NNE
4
|
NE
6
|
| Wind gust (mph) |
7
|
6
|
5
|
5
|
6
|
8
|
10
|
12
|
12
|
12
|
14
|
16
|
17
|
16
|
14
|
11
|
9
|
9
|
12
|
14
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
E
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
83%
|
84%
|
85%
|
78%
|
70%
|
57%
|
49%
|
43%
|
42%
|
40%
|
40%
|
40%
|
40%
|
40%
|
41%
|
43%
|
60%
|
68%
|
65%
|
62%
|
| UV | - | 1 | 1 | 1 | 2 | 3 | 4 | 6 | 7 | 7 | 6 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Monday (19 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 | |
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|
 |
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
10%
|
10%
|
10%
|
10%
|
20%
|
20%
|
30%
|
30%
|
30%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
12°
|
11°
|
10°
|
9°
|
9°
|
8°
|
8°
|
9°
|
10°
|
11°
|
13°
|
14°
|
15°
|
16°
|
16°
|
16°
|
17°
|
17°
|
17°
|
16°
|
15°
|
14°
|
12°
|
12°
|
| Feels like temperature (°C) |
10°
|
9°
|
8°
|
8°
|
7°
|
6°
|
6°
|
6°
|
8°
|
10°
|
11°
|
12°
|
13°
|
14°
|
15°
|
15°
|
15°
|
15°
|
15°
|
15°
|
14°
|
13°
|
11°
|
10°
|
| Wind direction and speed (mph) |
ENE
6
|
ENE
6
|
ENE
6
|
ENE
6
|
ENE
7
|
ENE
7
|
ENE
8
|
ENE
8
|
E
8
|
E
8
|
E
8
|
E
8
|
E
7
|
E
7
|
ENE
7
|
ENE
7
|
ENE
6
|
ENE
6
|
NE
6
|
NNE
6
|
N
6
|
NNE
6
|
NNE
6
|
NE
7
|
| Wind gust (mph) |
16
|
16
|
16
|
16
|
17
|
18
|
19
|
21
|
21
|
22
|
21
|
20
|
20
|
18
|
18
|
17
|
16
|
16
|
15
|
14
|
13
|
14
|
13
|
14
|
| 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 |
67%
|
73%
|
77%
|
79%
|
81%
|
84%
|
85%
|
82%
|
77%
|
74%
|
70%
|
63%
|
61%
|
55%
|
51%
|
45%
|
45%
|
45%
|
47%
|
51%
|
59%
|
62%
|
63%
|
62%
|
| UV | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 6 | 6 | 6 | 5 | 5 | 3 | 2 | 1 | 1 | 1 | 1 | - | - |
Tuesday (20 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%
|
30%
|
50%
|
40%
|
10%
|
10%
|
| Temperature (°C) |
11°
|
10°
|
9°
|
10°
|
15°
|
17°
|
17°
|
16°
|
12°
|
| Feels like temperature (°C) |
9°
|
9°
|
7°
|
9°
|
14°
|
16°
|
16°
|
15°
|
11°
|
| Wind direction and speed (mph) |
NE
7
|
NE
7
|
ENE
5
|
NE
4
|
ESE
5
|
SSE
6
|
NW
6
|
NW
6
|
NNW
4
|
| Wind gust (mph) |
14
|
15
|
11
|
10
|
14
|
14
|
16
|
13
|
9
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
E
|
VG
|
| Humidity |
66%
|
67%
|
76%
|
72%
|
54%
|
45%
|
47%
|
56%
|
70%
|
| UV | - | - | - | 1 | 4 | 6 | 3 | 1 | - |
Wednesday (21 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
20%
|
40%
|
40%
|
40%
|
20%
|
10%
|
| Temperature (°C) |
10°
|
9°
|
10°
|
15°
|
17°
|
17°
|
16°
|
12°
|
| Feels like temperature (°C) |
10°
|
9°
|
10°
|
14°
|
15°
|
16°
|
15°
|
11°
|
| Wind direction and speed (mph) |
N
4
|
NNW
4
|
N
3
|
NW
6
|
NNW
7
|
NNW
7
|
NNW
7
|
N
6
|
| Wind gust (mph) |
7
|
7
|
12
|
16
|
18
|
19
|
15
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
E
|
E
|
E
|
VG
|
| Humidity |
71%
|
74%
|
71%
|
55%
|
48%
|
50%
|
56%
|
69%
|
| UV | - | - | 1 | 4 | 4 | 3 | 1 | - |
Thursday (22 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
<5%
|
10%
|
20%
|
20%
|
20%
|
10%
|
| Temperature (°C) |
9°
|
7°
|
9°
|
13°
|
16°
|
15°
|
14°
|
10°
|
| Feels like temperature (°C) |
8°
|
6°
|
8°
|
12°
|
14°
|
13°
|
12°
|
9°
|
| Wind direction and speed (mph) |
NNE
5
|
NNE
5
|
NNE
4
|
NW
6
|
NW
8
|
NNW
8
|
NNW
8
|
NNW
4
|
| Wind gust (mph) |
9
|
9
|
15
|
20
|
22
|
21
|
17
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
74%
|
76%
|
73%
|
59%
|
46%
|
47%
|
49%
|
73%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
Friday (23 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
 |
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
20%
|
20%
|
20%
|
20%
|
20%
|
30%
|
| Temperature (°C) |
7°
|
6°
|
7°
|
12°
|
14°
|
15°
|
14°
|
10°
|
| Feels like temperature (°C) |
6°
|
5°
|
6°
|
11°
|
13°
|
13°
|
12°
|
10°
|
| Wind direction and speed (mph) |
N
4
|
N
4
|
NW
4
|
NNW
6
|
NW
8
|
NW
8
|
NW
7
|
W
4
|
| Wind gust (mph) |
7
|
6
|
12
|
17
|
19
|
17
|
14
|
8
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
G
|
G
|
VG
|
VG
|
| Humidity |
82%
|
85%
|
73%
|
58%
|
52%
|
50%
|
59%
|
83%
|
| UV | - | - | 1 | 4 | 5 | 2 | 1 | - |
Saturday (24 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
30%
|
40%
|
40%
|
40%
|
30%
|
30%
|
20%
|
30%
|
| Temperature (°C) |
8°
|
7°
|
9°
|
13°
|
15°
|
15°
|
14°
|
11°
|
| Feels like temperature (°C) |
7°
|
6°
|
8°
|
12°
|
14°
|
14°
|
13°
|
11°
|
| Wind direction and speed (mph) |
W
4
|
W
5
|
WSW
5
|
W
6
|
W
8
|
WSW
8
|
WSW
7
|
WSW
5
|
| Wind gust (mph) |
5
|
4
|
13
|
18
|
19
|
18
|
14
|
7
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
| Humidity |
92%
|
94%
|
91%
|
73%
|
63%
|
63%
|
67%
|
87%
|
| UV | - | - | 1 | 4 | 5 | 3 | 1 | - |
Sunday (25 May 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
 |
| Chance of precipitation |
30%
|
30%
|
40%
|
40%
|
40%
|
40%
|
30%
|
– |
| Temperature (°C) |
9°
|
9°
|
9°
|
13°
|
14°
|
15°
|
13°
|
11°
|
| Feels like temperature (°C) |
9°
|
8°
|
8°
|
11°
|
12°
|
13°
|
12°
|
11°
|
| Wind direction and speed (mph) |
SW
4
|
SSW
4
|
WSW
4
|
SSW
7
|
SW
8
|
SW
9
|
SW
8
|
SW
4
|
| Wind gust (mph) |
5
|
5
|
15
|
20
|
23
|
23
|
16
|
– |
| Visibility (description) |
G
|
G
|
G
|
G
|
VG
|
G
|
G
|
VG
|
| Humidity |
94%
|
94%
|
90%
|
79%
|
71%
|
63%
|
73%
|
85%
|
| UV | - | - | 1 | 3 | 5 | 3 | 1 | - |
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UK video forecast
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Wales weather forecast
Headline:
Dry with plenty of warm sunshine. Light winds.
Today:
Early mist and low cloud will soon lift and burn away to give another fine and dry day with plenty of sunny spells. Feeling warm in the sunshine with light winds and high UV levels. Maximum temperature 22 °C.
Tonight:
A fine end to the day, with evening sunshine. Staying dry with clear skies overnight. Chance of some low cloud developing by dawn. Locally chilly in rural spots. Light winds. Minimum temperature 2 °C.
Monday:
Early cloud will soon clear to give another fine and mostly dry day, with warm sunny spells. Risk of isolated showers, perhaps heavy and thundery in places. Light winds. Maximum temperature 21 °C.
Outlook for Tuesday to Thursday:
Staying largely fine and mostly dry, with warm sunny spells throughout. Chance of showers, perhaps heavy and thundery, Tuesday. Clear skies overnight and turning locally in rural areas. Light winds.
Updated: