Winter's arrival by the end of the week is tipped to be a wet one for some in the east. The last days of autumn are bringing cloud and possible showers to the east coast. It feels very wintry today in Sydney due to cloud cover keeping out the sun's warming rays. The city was struggling to reach a top of 18 degrees around lunchtime and fresh southerly winds are adding a wind chill factor making it feel more like 16. Overnight rainfall was very localised and heaviest along the coastal fringe. For the Sydney basin the rain started last night around 9pm. Rain continued through the night and early morning in the CBD adding 21mm to the gauge, bringing the May total to 35mm, still well below the monthly average of 121mm. Canterbury saw 11mm to 9am, North Parramata 4mm and Penrith remained dry. The large high pressure system over the Great Australian Bight is driving moist southeasterly winds onto the east coast which is bringing the areas of rain. By Friday, the official start of winter, an inland trough is expected to develop bringing widespread rain to the eastern states. The heaviest falls will be around the NSW & QLD coastal border region, where more than 100mm could fall in the space of 4 days. Also the NSW interior should see some decent falls, where the Northern Tablelands and the North West Slopes & Plains district could see more than 50mm over a 4 day period. For QLD this system is expected to bring more than 50mm to the southern parts of the Darling Downs & Granite Belt and eastern VIC can also expect accumulated rain fall of 15-25mm over the first four days of June. However the agricultural areas of western VIC and eastern SA may be yet again disappointed as falls of no more than 10mm is on the cards for those areas. Make sure to check www.weatherzone.com.au for the latest updates.