Cwm Bargoed Weather Forecast, Merthyr Tydfil CF48 4

Today 10 Jul Wales

Early mist and patchy fog quickly burning back to the coasts, leaving a dry day with plenty of sunny spells. Feeling very warm in the sunshine, although slightly cooler along the coasts, and cloudy across Anglesey. Maximum Temperature 27C.

Tonight 10 Jul Wales

Warm this evening, with lengthy spells of sunshine for many. Clear spells will continue for many into the night, allowing mist and fog to return to the coasts by dawn. Low cloud lingering in the north. Muggy for all. Minimum Temperature 14C.

Fri 11 Jul Wales

Another fine day for many with plenty of warm sunshine for all. Feeling hot inland, though cooler and more comfortable along the west coast. Winds remaining light. Maximum Temperature 28C.

Sat 12 Jul Wales

High pressure continues to bring strong sunshine by day and humid, rather muggy nights over the weekend. Cooler and cloudier from Monday, with a few heavy showers possible at times.

Sun 13 Jul Wales

High pressure continues to bring strong sunshine by day and humid, rather muggy nights over the weekend. Cooler and cloudier from Monday, with a few heavy showers possible at times.

Mon 14 Jul Wales

High pressure continues to bring strong sunshine by day and humid, rather muggy nights over the weekend. Cooler and cloudier from Monday, with a few heavy showers possible at times.

Tue 15 Jul Wales

A band of locally heavy and thundery rain will clear northeast from Scotland during Tuesday. Elsewhere, there will be a mix of sunny spells and scattered showers and it will be cooler and fresher. By the end of Tuesday, more rain is likely to move into the far west of the UK. From the middle of next week, a rather changeable pattern is anticipated with some rain or showers possible at times, which could be heavy and thundery, and generally focussed over western areas. Longer drier spells are more likely towards the south and east, although even here some showers are probable at times. Temperatures are likely to remain above average, especially in the south and east where further spells of very warm or hot weather remain possible.

Wed 16 Jul Wales

A band of locally heavy and thundery rain will clear northeast from Scotland during Tuesday. Elsewhere, there will be a mix of sunny spells and scattered showers and it will be cooler and fresher. By the end of Tuesday, more rain is likely to move into the far west of the UK. From the middle of next week, a rather changeable pattern is anticipated with some rain or showers possible at times, which could be heavy and thundery, and generally focussed over western areas. Longer drier spells are more likely towards the south and east, although even here some showers are probable at times. Temperatures are likely to remain above average, especially in the south and east where further spells of very warm or hot weather remain possible.

Cwm Bargoed Weather Forecast

Today 10 Jul Wales

Tonight 10 Jul Wales

Fri 11 Jul Wales

Sat 12 Jul Wales

Sun 13 Jul Wales

Mon 14 Jul Wales

Tue 15 Jul Wales

Wed 16 Jul Wales

Temperature Forecast Met Office

Temperature Real-Time

Crug-y-Gorllwyn (Carmarthenshire) Radar

National Satellite

National Synoptic

Cwm Bargoed Temperature Statistics

July Temperature

St-athan (38km)

Lowest 9 January, 2025

Average 2025

Highest 20 June, 2025

Lowest 8 June, 2025

Average June

Highest 20 June, 2025

Lowest 3 July, 2025

Average July

Highest 1 July, 2025

Climate (2020–Present)

St-athan (38km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025