Tens of thousands of people are expected to pour through the gates of the Glastonbury Festival armed with wellies and rain coats.
Festival organisers are expecting around 90 per cent of the 135,000 ticket-holders to arrived by the end of the day, in a bid to get the best camping spots before the rain falls.
But before the fun can start, many will battle heavy traffic, queues and long walks before pitching their tents.
The campers will have two days to enjoy the festival site and a range of entertainment before the music starts in earnest on Friday morning.
And the farm has been graced with dry weather and temperatures reaching as high as 22C today, before the usual Glastonbury showers arrive on Friday and continues throughout the weekend.
This year music fans will watch headliners Florence And The Machine on Friday, Kanye West on Saturday, and The Who on Sunday on the famous Pyramid stage.
The festival suffered a late blow when the Foo Fighters were forced to pull out, with Florence And The Machine promoted to headline on the opening night.
Other musical highlights at the festival include Chemical Brothers, Rudimental, George Ezra, Motorhead, Lionel Richie, Alt J, and Paloma Faith.
While off stage physicist and mathematician Professor Stephen Hawking will make an guest appearance at the Kidz Stage in front of families.
New this year at the festival is a viewing platform to give a different perspective of the transformed 1,000 acre farm.
Glastonbury 2015
Organisers have also increased the number of compost toilets from 300 last year to 1,200 this year, which is good news for the environment and campers who are promised a much better smell than the alternative long drops.
The event's technology and communications partner EE is expecting around 200,000 power bar swaps this year compared with the 32,000 last year meaning the festival is more likely than ever to swamp social media.
Last week Ms Eavis revealed the future of the festival has been left open, admitting she and her father have had "many discussions" about relocating the most popular music event in the UK.
