Met office
UK Outlook for Thursday 5 Apr 2018 to Saturday 14 Apr 2018:
The latter half of next week may be largely dry and bright in the far north, but it will be cold with some wintry showers at times. Elsewhere across the UK it will be unsettled with outbreaks of rain and hill snow for some, and it will be windy at times with a risk of gales. There will be some frost overnight in the north, but temperatures may be closer to average in the south. The following week will probably begin fairly unsettled, with strong winds and heavy rainfall possible for many. As we head towards mid-April, there is an increased chance of drier and more settled conditions, with a risk of fog in places overnight and frost in the north, but warmer days at times.
UK Outlook for Sunday 15 Apr 2018 to Sunday 29 Apr 2018:
The start of this period will probably see generally more settled conditions across the UK, with southern parts seeing the best of the dry and sunny weather, although there will be a risk of fog and possible frost overnight, mainly in the north. There is a lot of uncertainty in the forecast detail going into the latter half of April, but there will probably be a mixture of changeable or showery spells interspersed with drier and more settled periods. Temperatures overall are likely to remain below average although an increasing number of warmer days can still be expected. There are likely to be overnight frosts in the more settled spells and these should become restricted to the north of the UK as we head into late April.
https://www.metoffice.gov.uk/public/weather/forecast