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Weather Forecast for Merthyr Tydfil (Wales, United Kingdom)
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Forecast Overview
Thu Apr 3 54°F 36°F 12°C 2°C Sunny skies.
detailsFri Apr 4 55°F 39°F 13°C 4°C Chance of light rain in the afternoon.
detailsSat Apr 5 61°F 45°F 16°C 7°C Chance of light rain before sunrise.
detailsSun Apr 6 55°F 37°F 13°C 3°C Mostly sunny.
detailsMon Apr 7 55°F 36°F 13°C 2°C More sun than clouds.
detailsTue Apr 8 55°F 36°F 13°C 2°C Sunny skies.
detailsWed Apr 9 57°F 39°F 14°C 4°C Times of sun and clouds.
detailsThu Apr 10 61°F 39°F 16°C 4°C Mostly cloudy skies.
detailsFri Apr 11 64°F 45°F 18°C 7°C More sun than clouds.
details
Detailed Forecast
Thursday, April 3 | sunrise: 06:47 sunset: 19:48 |
![]() | Low around 35°F (2°C), high around 54°F (12°C). Sunny skies. Wind: 21 mph (34 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Clear. | 37°F (3°C) | 7 mph (12 km/h) | 87% | 0.257% |
04:00 07:00 | ![]() | Mostly sunny, with a few passing clouds. | 35°F (2°C) | 8 mph (13 km/h) | 90% | 0.258% |
07:00 10:00 | ![]() | Sunny. | 46°F (8°C) | 20 mph (32 km/h) | 67% | 0.258% |
10:00 13:00 | ![]() | Sunny. | 52°F (11°C) | 21 mph (34 km/h) | 62% | 0.255% |
13:00 16:00 | ![]() | Sunny. | 54°F (12°C) | 20 mph (32 km/h) | 65% | 0.253% |
16:00 19:00 | ![]() | Sunny. | 50°F (10°C) | 18 mph (30 km/h) | 77% | 0.252% |
19:00 22:00 | ![]() | Clear. | 45°F (7°C) | 17 mph (27 km/h) | 84% | 0.253% |
22:00 01:00 | ![]() | Clear. | 43°F (6°C) | 12 mph (19 km/h) | 85% | 0.254% |

Friday, April 4 | sunrise: 06:45 sunset: 19:49 |
![]() | Low around 38°F (4°C), high around 56°F (13°C). Chance of light rain during the afternoon (between 1 pm and 7 pm). Estimated precipitation: 0.02 in (0.4375 mm). Partly cloudy skies. Wind: 21 mph (34 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Clear. | 39°F (4°C) | 9 mph (14 km/h) | 91% | 0.254% |
04:00 07:00 | ![]() | Times of sun and clouds. | 40°F (4°C) | 11 mph (17 km/h) | 95% | 0.255% |
07:00 10:00 | ![]() | Sunny. | 49°F (9°C) | 17 mph (27 km/h) | 78% | 0.255% |
10:00 13:00 | ![]() | Considerable cloudiness. | 55°F (13°C) | 21 mph (34 km/h) | 70% | 0.253% |
13:00 16:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.0625 mm). | 55°F (13°C) | 17 mph (27 km/h) | 75% | 0.252% |
16:00 19:00 | ![]() | Chance of light rain. Precipitation: 0.01 in (0.3125 mm). | 51°F (11°C) | 17 mph (27 km/h) | 85% | 0.253% |
19:00 22:00 | ![]() | Overcast. Precipitation: 0 in (0.0625 mm). | 50°F (10°C) | 14 mph (23 km/h) | 89% | 0.254% |
22:00 01:00 | ![]() | Overcast. | 49°F (10°C) | 8 mph (13 km/h) | 89% | 0.254% |

Saturday, April 5 | sunrise: 06:42 sunset: 19:51 |
![]() | Low around 44°F (7°C), high around 60°F (16°C). Chance of light rain between 1 am and 4 am. Estimated precipitation: 0.01 in (0.1875 mm). Partly cloudy skies. Wind: 19 mph (30 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Chance of light rain. Precipitation: 0 in (0.125 mm). | 47°F (8°C) | 4 mph (7 km/h) | 95% | 0.254% |
04:00 07:00 | ![]() | Overcast. Precipitation: 0 in (0.0625 mm). | 48°F (9°C) | 6 mph (10 km/h) | 94% | 0.255% |
07:00 10:00 | ![]() | Overcast. | 54°F (12°C) | 13 mph (21 km/h) | 76% | 0.255% |
10:00 13:00 | ![]() | More sun than clouds. | 58°F (14°C) | 19 mph (30 km/h) | 70% | 0.253% |
13:00 16:00 | ![]() | More clouds than sun. | 60°F (16°C) | 19 mph (30 km/h) | 70% | 0.25% |
16:00 19:00 | ![]() | Overcast. | 55°F (13°C) | 19 mph (30 km/h) | 75% | 0.249% |
19:00 22:00 | ![]() | Clear. | 48°F (9°C) | 19 mph (30 km/h) | 85% | 0.25% |
22:00 01:00 | ![]() | Clear. | 44°F (7°C) | 14 mph (23 km/h) | 64% | 0.25% |

Sunday, April 6 | sunrise: 06:40 sunset: 19:53 |
![]() | Low around 38°F (3°C), high around 56°F (13°C). Mostly sunny. Wind: 19 mph (31 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Clear. | 41°F (5°C) | 13 mph (21 km/h) | 65% | 0.25% |
04:00 07:00 | ![]() | Sunny. | 38°F (4°C) | 11 mph (18 km/h) | 70% | 0.25% |
07:00 10:00 | ![]() | Sunny. | 46°F (8°C) | 15 mph (23 km/h) | 61% | 0.249% |
10:00 13:00 | ![]() | Sunny. | 52°F (11°C) | 19 mph (30 km/h) | 59% | 0.247% |
13:00 16:00 | ![]() | Sunny. | 56°F (13°C) | 19 mph (31 km/h) | 62% | 0.245% |
16:00 19:00 | ![]() | Sunny. | 51°F (10°C) | 18 mph (29 km/h) | 80% | 0.244% |
19:00 22:00 | ![]() | Clear. | 44°F (7°C) | 12 mph (19 km/h) | 88% | 0.245% |
22:00 01:00 | ![]() | Overcast. | 40°F (4°C) | 8 mph (13 km/h) | 87% | 0.245% |

Monday, April 7 | sunrise: 06:38 sunset: 19:54 |
![]() | Low around 35°F (2°C), high around 56°F (13°C). More sun than clouds. Wind: 15 mph (25 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Mostly clear, with a few passing clouds. | 37°F (3°C) | 7 mph (11 km/h) | 91% | 0.246% |
04:00 07:00 | ![]() | Sunny. | 35°F (2°C) | 6 mph (10 km/h) | 92% | 0.247% |
07:00 10:00 | ![]() | Partly cloudy. | 47°F (9°C) | 8 mph (13 km/h) | 59% | 0.247% |
10:00 13:00 | ![]() | Overcast. | 53°F (12°C) | 15 mph (25 km/h) | 65% | 0.245% |
13:00 16:00 | ![]() | Overcast. | 56°F (13°C) | 14 mph (22 km/h) | 65% | 0.243% |
16:00 19:00 | ![]() | Sunny. | 51°F (11°C) | 10 mph (16 km/h) | 75% | 0.242% |
19:00 22:00 | ![]() | Partly cloudy. | 42°F (6°C) | 7 mph (11 km/h) | 80% | 0.243% |
22:00 01:00 | ![]() | Clear. | 39°F (4°C) | 4 mph (7 km/h) | 78% | 0.244% |

Tuesday, April 8 | sunrise: 06:35 sunset: 19:56 |
![]() | Low around 36°F (2°C), high around 55°F (13°C). Sunny skies. Wind: 9 mph (14 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Clear. | 37°F (3°C) | 4 mph (6 km/h) | 70% | 0.244% |
04:00 07:00 | ![]() | Sunny. | 36°F (2°C) | 5 mph (7 km/h) | 66% | 0.245% |
07:00 10:00 | ![]() | Mostly sunny. | 48°F (9°C) | 3 mph (5 km/h) | 50% | 0.244% |
10:00 13:00 | ![]() | Sunny. | 54°F (12°C) | 9 mph (14 km/h) | 47% | 0.242% |
13:00 16:00 | ![]() | Sunny. | 55°F (13°C) | 6 mph (9 km/h) | 50% | 0.24% |
16:00 19:00 | ![]() | Sunny. | 51°F (10°C) | 5 mph (8 km/h) | 70% | 0.239% |
19:00 22:00 | ![]() | Clear. | 43°F (6°C) | 3 mph (4 km/h) | 80% | 0.24% |
22:00 01:00 | ![]() | Clear. | 42°F (6°C) | 3 mph (5 km/h) | 82% | 0.241% |

Wednesday, April 9 | sunrise: 06:33 sunset: 19:58 |
![]() | Low around 40°F (4°C), high around 57°F (14°C). Times of sun and clouds. Wind: 11 mph (17 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Overcast. | 41°F (5°C) | 3 mph (4 km/h) | 83% | 0.241% |
04:00 07:00 | ![]() | Sunny. | 40°F (5°C) | 4 mph (6 km/h) | 83% | 0.242% |
07:00 10:00 | ![]() | Mostly cloudy. | 51°F (11°C) | 5 mph (8 km/h) | 61% | 0.242% |
10:00 13:00 | ![]() | Sunny. | 56°F (13°C) | 10 mph (17 km/h) | 53% | 0.24% |
13:00 16:00 | ![]() | A few passing clouds. | 56°F (13°C) | 11 mph (17 km/h) | 53% | 0.237% |
16:00 19:00 | ![]() | Sunny. | 51°F (11°C) | 6 mph (10 km/h) | 72% | 0.236% |
19:00 22:00 | ![]() | Partly cloudy. | 44°F (7°C) | 4 mph (7 km/h) | 82% | 0.237% |
22:00 01:00 | ![]() | Mostly clear, with a few passing clouds. | 42°F (6°C) | 4 mph (7 km/h) | 84% | 0.238% |

Thursday, April 10 | sunrise: 06:31 sunset: 20:00 |
![]() | Low around 39°F (4°C), high around 60°F (16°C). Mostly cloudy skies. Wind: 6 mph (9 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Mostly cloudy. | 40°F (4°C) | 4 mph (6 km/h) | 83% | 0.238% |
04:00 07:00 | ![]() | Overcast. | 40°F (4°C) | 3 mph (6 km/h) | 70% | 0.239% |
07:00 10:00 | ![]() | Mostly cloudy. | 52°F (11°C) | 3 mph (6 km/h) | 55% | 0.238% |
10:00 13:00 | ![]() | Sunny. | 58°F (14°C) | 6 mph (9 km/h) | 51% | 0.236% |
13:00 16:00 | ![]() | Considerable cloudiness. | 60°F (16°C) | 4 mph (7 km/h) | 50% | 0.234% |
16:00 19:00 | ![]() | Overcast. | 55°F (13°C) | 3 mph (5 km/h) | 71% | 0.234% |
19:00 22:00 | ![]() | Mostly cloudy. | 47°F (8°C) | 1 mph (2 km/h) | 81% | 0.234% |
22:00 01:00 | ![]() | Mostly cloudy. | 46°F (8°C) | 1 mph (1 km/h) | 81% | 0.235% |

Friday, April 11 | sunrise: 06:29 sunset: 20:01 |
![]() | Low around 44°F (7°C), high around 65°F (18°C). More sun than clouds. Wind: 7 mph (12 km/h). |
Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
01:00 04:00 | ![]() | Considerable cloudiness. | 45°F (7°C) | 2 mph (3 km/h) | 83% | 0.236% |
04:00 07:00 | ![]() | Considerable cloudiness. | 45°F (7°C) | 3 mph (4 km/h) | 83% | 0.236% |
07:00 10:00 | ![]() | Mostly sunny. | 57°F (14°C) | 2 mph (4 km/h) | 63% | 0.236% |
10:00 13:00 | ![]() | Sunny. | 64°F (18°C) | 5 mph (8 km/h) | 52% | 0.234% |
13:00 16:00 | ![]() | Times of sun and clouds. | 65°F (18°C) | 7 mph (12 km/h) | 53% | 0.232% |
16:00 19:00 | ![]() | Sunny. | 58°F (14°C) | 5 mph (8 km/h) | 78% | 0.231% |
19:00 22:00 | ![]() | Mostly cloudy. | 49°F (9°C) | 4 mph (7 km/h) | 92% | 0.232% |
22:00 01:00 | ![]() | Overcast. | 46°F (8°C) | 5 mph (8 km/h) | 82% | 0.232% |

Merthyr Tydfil (latitude 51°46'N, longitude 003°23'W)
Local Time:
Merthyr Tydfil is in the "Europe/London" timezone.
The "Europe/London" timezone uses a Standard Time (ST) / Daylight Saving Time (DST) alternation scheme, and it currently is in DST (since Sunday, 30 March 2025, 02:00 AM local time). During DST, the timezone abbreviation is BST and the offset to Universal Time (UTC, GMT or Zulu) is +1:00 hours.
Merthyr Tydfil will exit DST (returning to standard time) on Sunday, 26 October 2025, at 02:00 AM local time, when clocks will be turned backward 1 hour to Sunday, 26 October 2025, 01:00 AM local standard time. During ST, the timezone abbreviation is GMT and the offset to UTC will be +0:00 hours.
Forecasts for Other Places in United Kingdom:
See also:
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