Highways England reported three accidents on the M3 causing lane closures in Surrey and Hampshire. The section around Basingstoke appeared to be the worst hit.
Part of the A3 south of Guildford, at Milford, was closed because of snow.
All services on the Island Line on the Isle of Wight were cancelled. South Western Railway also suffered because staff struggled to get to train depots.
Great Western Railway thad no service between Newbury and Bedwyn. Trains between Heathrow and Paddington were badly hit with fewer services. At Heathrow around 100 flights were cancelled. Bournemouth Airport was closed in the morning.
Southampton Airport faced disruption to its early Sunday flights as staff cleared the runway.