Persistent rain didn't dampen the spirits of thousands of revellers who watched top acts Paolo Nutini, Lily Allen and Arcade Fire yesterday.
Stall-holders charging £15 a time for wellies and waterproofs enjoyed a roaring trade.
However, a lightning storm cut short Rudimental's set as he performed with guest Ed Sheeran.
All outdoor stages were then shut down for a time as slow-moving, thundery showers blighted the 900-acre site.
Earlier in the day supermodel Jerry Hall brought an injection of glamour to the festival as she performed with her new band Paris-Texas And The Uke.
The Other Stage was opened with a surprise performance by the Kaiser Chiefs, warming up ahead of their headline slot on the John Peel Stage.
"Look at what the weather's doing," said frontman Ricky Wilson. "Are we going to stick two fingers up to the sky?"