Sydney 's current temperature plus a 7 day weather forecast for planning your Sydney visitor experience. Be prepared with the most accurate 10-day forecast for Sydney, New South Wales, Australia with highs, lows, chance of precipitation from The Weather Channel and Weather.com Get the latest hourly weather updates for Sydney today. Detailed forecast including temperature, wind, rain, snow, and UV index. Stay informed about today's weather conditions in Sydney . Get the latest Sydney weather forecast with live Bureau of Meteorology data. Current conditions, 7-day forecast, and detailed Sydney weather information. Updated daily.