14-day Weather forecast for Sydney (New South Wales Australia). Know your holiday weather - with Zoover! Accurate Australian weather long range forecast based on median weather prediction from 15 different sources. Up to month, 14, 7, 3 days, UV index, sun geomagnetic activity Weather detailed forecast for top cities of Australia sorted by population The warmest day over the next 25 days weather in Sydney is forecast to be Saturday 1st February 2020 at 37°C (99°F) and the warmest night on Saturday 1st February 2020 at 26°C (79°F). The average temperature over the next 25 days in Sydney from this forecast is 27°C (81°F) and there will be 2 days of sunshine . Be prepared with the most accurate 10-day forecast for with highs, lows, chance of precipitation from The Weather Channel and Weather.com Sydney, New South Wales 10-Day Weather Forecast - The ... Know what's coming with AccuWeather's extended daily forecasts for Sydney, New South Wales, Australia. Up to 90 days of daily highs, lows, and precipitation chances.