Sydney will be enveloped in glorious summer sunshine on Sunday, with a clear sunny day closing out what has been the wettest January for almost three decades.
The perfect beach weather is expected to last for the entire day, reaching a top of 31 degrees in most suburbs across Sydney around 1pm, according to weather forecaster Weatherzone.
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'Very dangerous' storm batters Sydney
A thunderstorm brings down trees in Sydney's north-west as energy suppliers scramble to restore power to more than 50,000 affected homes.
It was a hazy start to the day as the city recovered from a severe thunderstorm that battered the city on Saturday evening, causing power outages and flash flooding in parts of southern and western Sydney.
Thick fog covered large parts of the city early on Sunday as visibility dropped as low as 150 metres in Camden in south-west Sydney and Richmond in the city's west.
But by 9am, the fog would disperse to reveal a divine summer's day, said Weatherzone's senior meteorologist, Brett Dutschke.
"It will heat up fairly steadily across the day. Humidity will be much lower than the last few days. It will be quite beautiful being outside," Mr Dutschke said.
Uninterrupted sunshine and "a fairly light sea breeze" made it "quite a good day for the beach," he said.
Sunday's sunshine is a brief reprieve from the wild weather after heavy rainfall and thunder rolled into Sydney for the second time in two days around 4pm on Saturday, with more expected on Monday.
"It's ironic that the last day of such a wet month will turn out so nice and dry," Mr Dutschke said. "It's been the wettest January we've had in 28 years for the city.
"Most suburbs have had about doubled the normal monthly rainfall."
A total of 250 millimetres fell across Sydney in January, but the most thorough drenching was experienced in Frenchs Forest, which recorded 412 millimetres for the month.
Sydney's west shared the brunt of the stormy weather, with Bankstown and Richmond experiencing the wettest January in four decades.
It's ironic that the last day of such a wet month will turn out so nice and dry.Meteorologist Brett Dutschke
Homebush and Penrith had among the highest rainfalls, recording 343 millimetres and 308 millimetres respectively.
A soggy start to February was also expected, Mr Dutschke said, with a cloudy Monday on the cards.
"Tomorrow we will get some showers and possibly a storm. There is a chance those storms will become severe."
Temperatures are expected to hover around the high 20s for most Sydney suburbs and the mid 20s for Sydney's beaches.
Storm brings wave of lightning
Saturday's severe thunderstorm produced a spectacular light show, with about 23,000 lightening bolts striking the Sydney basin area across the evening.
The accompanying downpour also saw "significant rainfalls" in parts of western Sydney, including more than 15 millimetres in a 10-minute period near Badgerys Creek, Weatherzone meteorologist Sam Terry said.
Mr Terry said the worst of the rainfall hit in places like Penrith, which saw 40 millimetres, and Toongabbie, which saw about 30 millimetres.
A "severe" wind gust of 98km/h was also recorded at Badgerys Creek, while Bankstown saw gusts of about 80km/h.
They were strong enough to see "some branches ripping off trees or loose roof tiles being moved around," he said.
State Emergency Services spokesman Phil Campbell said there had been six flood rescues and about 800 calls for assistance, with some callers greeted by a busy tone because the call centre was being "maxed out".
"Such is the volume of requests for help we're getting," he said on Saturday night.
"We had 800 calls for assistance [on Friday] night, so you could say it's 1100 for the weekend."
After an earlier outage, Ausgrid managed to restore power to 40,000 residents in the city's south from Caringbah to Waterfall after the storm cut power to high voltage cables in the area.
A spokesman for Endeavour Energy said 25,000 of its customers, including 5000 homes and business between Merrylands and Guildford, had their power supply interrupted at some stage by the storm.
By 9pm, power had been restored to 14,000 of the affected customers, but many homes and business in Sydney's west endured a night without power.
Weatherzone is owned by Fairfax Media, publisher of this website.