One Sydney suburb copped an absolute battering overnight, as a severe thunderstorm dropped 93mm of rain in just an hour.

Sydney is in for an unsettled week of weather, with showers, a possible thunderstorm and a late temperature drop forecast over the coming days.

The highest expected temperature today is 23, which is 1 degree higher than yesterday's max. Warmer conditions are expected on five of the next six days, with the mercury climbing above today's ...