🇬🇧 Weather in Merthyr Tydfil
Map Overlays:
Hourly Forecast for Merthyr Tydfil
02:00
10°
0%
03:00
10°
0%
04:00
10°
0%
05:00
10°
0%
06:00
10°
0%
07:00
13°
0%
08:00
15°
0%
09:00
17°
0%
10:00
19°
0%
11:00
20°
0%
12:00
21°
0%
13:00
22°
0%
14:00
23°
0%
15:00
23°
0%
16:00
23°
0%
17:00
23°
0%
18:00
23°
0%
19:00
22°
0%
20:00
20°
0%
21:00
17°
0%
22:00
16°
0%
23:00
16°
0%
00:00
15°
0%
01:00
15°
0%
14-Day Forecast for Merthyr Tydfil
Sun, May 24
Sunny
23° /
10°
Mon, May 25
Sunny
25° /
15°
Tue, May 26
Sunny
26° /
15°
Wed, May 27
Sunny
23° /
14°
Thu, May 28
Patchy rain nearby
23° /
11°
Fri, May 29
Sunny
26° /
14°
Sat, May 30
Sunny
24° /
16°
Sun, May 31
Sunny
24° /
12°
Mon, Jun 01
Patchy rain nearby
20° /
12°
Tue, Jun 02
Patchy rain nearby
19° /
11°
Wed, Jun 03
Patchy rain nearby
15° /
8°
Thu, Jun 04
Partly Cloudy
15° /
9°
Fri, Jun 05
Partly Cloudy
15° /
9°
Sat, Jun 06
Patchy rain nearby
14° /
9°
Additional Forecasts for Merthyr Tydfil
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 126.8 μg/m³
O₃ (Ozone) 52.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.5 μg/m³
SO₂ (Sulphur Dioxide) 1.2 μg/m³
PM2.5 (Fine particles) 7.8 μg/m³
PM10 (Coarse particles) 9.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United Kingdom
Frequently Asked Questions about Weather in Merthyr Tydfil
What is the temperature in Merthyr Tydfil right now?
The current temperature in Merthyr Tydfil is 11°C (53°F), fog (feels like 11°C).
What's the weather like in Merthyr Tydfil right now?
Conditions in Merthyr Tydfil right now: Fog, humidity 100%, wind 6 km/h NNW.
What is today's forecast for Merthyr Tydfil?
Today in Merthyr Tydfil: high 23°C, low 10°C, sunny. Chance of rain: 0%.
What is the 7-day weather forecast for Merthyr Tydfil?
Daily highs and lows for Merthyr Tydfil:
- 2026-05-24: 23°C / 10°C
- 2026-05-25: 25°C / 15°C
- 2026-05-26: 26°C / 15°C
- 2026-05-27: 23°C / 14°C
- 2026-05-28: 23°C / 11°C
- 2026-05-29: 26°C / 14°C
- 2026-05-30: 24°C / 16°C
Is it going to rain in Merthyr Tydfil today?
There is a 0% chance of rain in Merthyr Tydfil today.
What is the wind speed in Merthyr Tydfil right now?
Wind in Merthyr Tydfil is currently 6 km/h (4 mph) from the NNW.
What is the UV index in Merthyr Tydfil right now?
The UV index in Merthyr Tydfil is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
