Though the southeast is set to be sunny and mild, Wales can expect persistent downpours.
The weekend is set to start off chilly and fine, but wet weather is anticipated later in the day.
The weekend's weather is splitting the country in two with a north/south divide on bad/good weather.
Clouds stretching from southwest England to southeast Scotland are set to bring light rain.
Skies are expected to be cloudy with showers throughout the rest of the weekend.
Most of the UK can expect wet weather this weekend.
Top temperature 25 Celsius (77F).
Another day of sunshine and showers across the north today, the heaviest of these will be across Northern Ireland.
Top temperature 24C/75F.
Early low cloud and fog patches will clear fairly quickly this morning to leave plenty of sunny spells.