Treharris (Merthyr Tydfil) weather

Headline:

Sunshine and showers. Turning colder on Thursday.

Today:

A misty and murky start for some, then brightening up with sunny intervals but plenty of heavy showers also developing. Slow-moving thundery downpours are possible in places. Temperatures above average. Maximum temperature 16 °C.

Tonight:

Further heavy, possibly thundery showers this evening and overnight mixed with some clear spells. Mist and fog patches may develop my dawn and staying rather mild. Minimum temperature 10 °C.

Wednesday:

Any low cloud and fog soon lifting to leave sunshine and showers, though generally fewer and lighter showers than on Tuesday. Turning breezy. Maximum temperature 17 °C.

Outlook for Thursday to Saturday:

Drier on Thursday with a few showers in the west. Largely fine on Friday with sunshine, with further showers into Saturday. Turning colder with patchy fog and frost possible overnight.

Remaining rather cold, cold in the north, but with areas of blustery showers likely spreading across much of the country with some more wintry spells over the mountains of Scotland on Saturday. Later in the weekend a more settled spell for a time is expected, along with early mist or fog, before increasing cloud and rain from the west marks a return to average temperatures, potentially rather warm at times in the south, however the new week also bringing longer spells of cloud and rain. Windiest in the northwest, generally light to moderate otherwise. Some bright spells for most as systems clear but the best of the bright weather to be found in the southeast, though even here rain likely at times through the week as fronts cross.

Initially some remains of a more progressive weather pattern with fronts moving in from the west or northwest, with drier conditions in the south and east. It is possible that these drier conditions could be seen more widely later in the month as higher pressure further north extends southwards. This would also bring an increased chance of overnight fog and frost. Temperatures will tend to be close to average overall in the south, but probably below average in the north and northwest. Toward November returning Atlantic fronts more likely again, but some signs of more settled weather remaining in the south.