It's the last festival of the summer. Acts including of Elton John and Fat Boy Slim from Brighton are expected to keep music fans entertained during the four-day event. David Russell has been watching the preparations.
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Any lingering showers clearing into tonight with a mostly dry but chilly night ahead. A cool but sunny start to Sunday.
Further heavy showers gradually clearing away this evening. Dry but chilly tonight, then dry with plenty of sunshine tomorrow.
Heavy showers turning potentially thundery this afternoon. Becoming dry but chilly tonight, then dry and sunny tomorrow.