Despite the bad weather, up a quarter of a million of people are expected to converge on the capital tonight to welcome in 2013.
Many will head for the banks of the Thames to get the best vantage points for the traditional New Year's fireworks display.
Nick Thatcher spoke to Jim Donald from Jack Morton Worldwide in his report.
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Arsenal midfielder Mesut Ozil made a young fans day by throwing him his shirt after the drubbing of rivals Chelsea.
Expect some sunny spells and scattered showers after rain clears east.
The British Open Water Swimming Championships have kicked off at the Serpentine in Hyde Park.