Bannau Brycheiniog: forecast pressure

Dydd Llun

Tywydd

Another windy day with strong westerly winds. Cloudy with showery rain at first, possibly heavy at times, becoming brighter and drier with more in the way of sunny spells later.

Gwelededd

Generally moderate or good, but occasionally poor in rain or showers and very poor in any hill fog.

Niwl dros y bryniau

Occasional patches above 600 metres.

Gwyntoedd uchaf uwch ben 400m

Westerly 30 to 40 mph gusting 50 mph.

Tymheredd

Rhagolygon

Dydd Mawrth

Remaining unsettled with more strong to gale-force southwesterly winds, and some spells of persistent, heavy rain. Periods of hill fog are likely.

Dydd Mercher

Very windy with strong to gale-force west or southwesterly winds, and further heavy showers throughout the day. Occasional patches of hill fog.

Dydd Iau

Winds easing but still remaining unsettled with scattered showers and variable amounts of cloud. Occasional hill fog.