Llan-dafel Weather Forecast, Blaenau Gwent NP23 7

Today 8 Sep Wales

A bright start to the day, with a scattering of showers. Showers becoming more widespread and frequent as the day progresses, some heavy with the risk of thunder. Breezy and feeling a little fresher than the weekend. Maximum Temperature 20C.

Tonight 8 Sep Wales

Some late sunshine for many but isolated heavy thundery showers remain possible. These becoming confined to coastal regions overnight. Turning rather chilly inland with a few fog patches developing in prone spots. Heavy showers are possible in Pembrokeshire by dawn. Minimum Temperature 5C.

Tue 9 Sep Wales

Dry for many with patchy low cloud or fog soon clearing. Brightest in the north and east through the afternoon with southern and southwestern areas breezier with rain at times. Maximum Temperature 19C.

Wed 10 Sep Wales

A changeable period, with sunny spells and blustery showers, these frequent and occasionally heavy with hail and thunder possible. Often breezy and possibly windy at times. Turning a little cooler.

Thu 11 Sep Wales

A changeable period, with sunny spells and blustery showers, these frequent and occasionally heavy with hail and thunder possible. Often breezy and possibly windy at times. Turning a little cooler.

Fri 12 Sep Wales

A changeable period, with sunny spells and blustery showers, these frequent and occasionally heavy with hail and thunder possible. Often breezy and possibly windy at times. Turning a little cooler.

Sat 13 Sep Wales

Generally unsettled with low pressure dominating much of the period. This will mean showers or longer spells of rain will affect most of the UK at times. A deep low likely crosses the country later on the weekend clearing early next week bringing heavy rain and strong winds. Following this a return to showers with periods of longer spells of rain is likely. Thunderstorms and hail are also possible, as are some spells of strong winds, especially if further deeper lows affect the UK. Later in the period, there may be some spells of drier weather that develop, especially towards the south, with more in the way of sunshine. Temperatures will likely be close to average or slightly below overall, but may rise above at times in drier, sunnier spells.

Sun 14 Sep Wales

Generally unsettled with low pressure dominating much of the period. This will mean showers or longer spells of rain will affect most of the UK at times. A deep low likely crosses the country later on the weekend clearing early next week bringing heavy rain and strong winds. Following this a return to showers with periods of longer spells of rain is likely. Thunderstorms and hail are also possible, as are some spells of strong winds, especially if further deeper lows affect the UK. Later in the period, there may be some spells of drier weather that develop, especially towards the south, with more in the way of sunshine. Temperatures will likely be close to average or slightly below overall, but may rise above at times in drier, sunnier spells.

Llan-dafel Weather Forecast

Today 8 Sep Wales

Tonight 8 Sep Wales

Tue 9 Sep Wales

Wed 10 Sep Wales

Thu 11 Sep Wales

Fri 12 Sep Wales

Sat 13 Sep Wales

Sun 14 Sep Wales

Temperature Forecast Met Office

Temperature Real-Time

Clee Hill (Shropshire) Radar

National Satellite

National Synoptic

Llan-dafel Temperature Statistics

September Temperature

St-athan (40km)

Lowest 9 January, 2025

Average 2025

Highest 12 August, 2025

Lowest 2 August, 2025

Average August

Highest 12 August, 2025

Lowest 5 September, 2025

Average September

Highest 1 September, 2025

Climate (2020–Present)

St-athan (40km)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025