Abertysswg Weather Forecast, Caerphilly NP22 5

Today 16 May Wales

Any early cloud or mist patches quickly clearing to leave another sunny day. Feeling warm in the light winds and strong sunshine with high UV levels. Sea breezes may keep some coastal regions somewhat fresher. Maximum Temperature 22C.

Tonight 16 May Wales

Staying sunny and warm into this evening, then clear skies at first overnight. Probably turning cloudier in the east later. Turning chilly where skies stay clear, with a frost possible in very prone inland and rural spots in the north. Minimum Temperature 2C.

Sat 17 May Wales

A cloudy and cool start for some but sunshine for western areas. Brightening up in the east with plenty of strong sunshine by the afternoon. Feeling warm with light winds. Maximum Temperature 21C.

Sun 18 May Wales

Most places remaining dry through this period. Whilst some cloud is likely at times, there'll also be plenty of warm sunshine. Small chance of isolated showers on Monday and Tuesday.

Mon 19 May Wales

Most places remaining dry through this period. Whilst some cloud is likely at times, there'll also be plenty of warm sunshine. Small chance of isolated showers on Monday and Tuesday.

Tue 20 May Wales

Most places remaining dry through this period. Whilst some cloud is likely at times, there'll also be plenty of warm sunshine. Small chance of isolated showers on Monday and Tuesday.

Wed 21 May Wales

A generally dry and fine end to the working week with light winds and warm sunshine continuing across the United Kingdom. A few showers are possible, but the majority of places will be dry. Temperatures during this time are likely to continue to be above normal for the time of year. Into the bank holiday weekend and following week, a change in weather type is expected. More unsettled conditions are likely to develop, with weather systems moving in from the Atlantic. This will bring spells of rain to many areas, perhaps heavy at times, with a risk of strong winds in places. Drier and brighter intervals are likely between systems. Temperatures will probably be near normal or slightly above.

Thu 22 May Wales

A generally dry and fine end to the working week with light winds and warm sunshine continuing across the United Kingdom. A few showers are possible, but the majority of places will be dry. Temperatures during this time are likely to continue to be above normal for the time of year. Into the bank holiday weekend and following week, a change in weather type is expected. More unsettled conditions are likely to develop, with weather systems moving in from the Atlantic. This will bring spells of rain to many areas, perhaps heavy at times, with a risk of strong winds in places. Drier and brighter intervals are likely between systems. Temperatures will probably be near normal or slightly above.

Abertysswg Weather Forecast

Today 16 May Wales

Tonight 16 May Wales

Sat 17 May Wales

Sun 18 May Wales

Mon 19 May Wales

Tue 20 May Wales

Wed 21 May Wales

Thu 22 May Wales

Temperature Forecast Met Office

Temperature Real-Time

Crug-y-Gorllwyn (Carmarthenshire) Radar

National Satellite

National Synoptic

Abertysswg Temperature Statistics

May Temperature

St-athan (39km)

Lowest 9 January, 2025

Average 2025

Highest 1 May, 2025

Lowest 17 April, 2025

Average April

Highest 30 April, 2025

Lowest 6 May, 2025

Average May

Highest 1 May, 2025

Climate (2020–Present)

St-athan (39km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025