Sydney is in for another day of wild weather, with the downpour causing some delays on major roads during the morning commute as motorists are urged to slow down in the wet.
A total of 20 millimetres of rain is expected.
Although showers will hang about for most of Wednesday, winds are expected to ease but there is the chance of a thunderstorm during this afternoon and evening.
Large and powerful surf conditions are expected to be hazardous for coastal activities such as rock fishing, swimming and surfing.
Thursday will be slightly warmed at 21 degrees but the chance of any rain remains high at 80 per cent, though only up to 6mm is predicted to fall.
A cold front moving through NSW brought with it wintery temperatures and buckets of rain for Sydney today.
By 7pm Tuesday, Sydney Airport recorded 23.8 millimetres of rain, Holsworthy 32.6mm and Bankstown 33.8mm.
Observatory Hill in Sydney recorded 34.8mm of rain increasing this September's total to 54mm.
Bureau of Meteorology forecaster Stephan Stefanac said Sydneysiders could expect another wet day on Wednesday with a chance of a storm in the afternoon or evening.
"The wild weather isn't quite over," Mr Stefanac said.
He said Sydney could exceed its monthly rainfall average with wet weather conditions expected to continue for the rest of the week.
On Wednesday, the mercury is expected to peak at 19 degrees in Sydney city, with wind speeds reaching 30 to 45 km/h before easing in the afternoon.
Hazardous surf warnings remain in place for Sydney, Hunter and Illawarra coastlines.