After lows of -40C in the US last week a heatwave on the other side of the world will bring temperatures in excess of 40C in Australia.
Despite his historic win, Andy Murray remains modest, telling ITV News he doesn't feel he deserves it for winning a sports event.
Andy Murray became the first British man to win Wimbledon since Fred Perry in 1936. Here we look at the tennis star's career in pictures.
Britain's Andy Murray faces four-time champion Roger Federer in the Australian Open quarter-finals today.
Tournament favourite Novak Djokovic's three-year reign as champion was ended yesterday when he was knocked out by the Swiss eighth seed Stanislas Wawrinka.
Murray's match is scheduled to begin at around 8.30am UK time.
Andy Murray's bid for a third Grand Slam title remains on track after he reached the quarter-finals of the Australian Open with a hard-fought victory over the tournament's "lucky loser" Stephane Robert.
The British tennis star dropped his first set of the tournament but recovered to claim the fourth-round match 6-1 6-2 6-7 6-2 to end the 33-year-old Frenchman's surprise winning run.
The world number 119 had been elevated into the men's draw at the 11th hour thanks to an injury to the man he lost to in qualifying and overcame three opponents.
Murray, who has reached the Australian Open final three times in the last four years but is yet to win the hard court slam, can expect an even tougher test in the final eight in Melbourne.
The fourth-seeded Scot will face the winner of the fourth-round match between sixth seed Roger Federer and 10th seed Jo-Wilfried Tsonga.
Andy Murray has beaten France's Vincent Millot 6-2 6-2 7-5 in the second round of the Australian Open.
The Briton will face world number 27 Feliciano Lopez of Spain in the third round.
Following an earlier suspension of play due to extreme heat, the tennis was further interrupted later in the day by heavy rainfall.
Reuters photographer Brandon Malone captured a lightning bolt appearing in the Melbourne skyline while Michal Przysiezny played Stephane Robert played on an outdoor court.
Play has currently resumed on the covered showcourts for the evening session. Andy Murray's second round match has been delayed.
Temperatures in Melbourne are so hot that an egg has been pictured frying on court at the Australian Open tennis tournament.
Australian breakfast TV show Sunrise tweeted this photograph:
Forecasters suggested temperatures could hit 44C on Thursday and Friday.
A British man has appeared in court in Melbourne accused of illegal courtside gambling activity at the Australian Open tennis tournament.
Daniel Dobson, 22, was arrested on court two at Melbourne Park and discovered to have a device in his shorts which would enable him to transmit the results of points before they were officially distributed around the world, the court heard.
The system, designed to be quicker than the delay on television broadcasts, would be advantageous in in-play betting markets.
Dobson's lawyer said he was simply collecting data for the betting agency.
The Briton has been charged with engaging in conduct that would corrupt a betting outcome.
Prosecutors told the court that police were investigating two other British men in relation to the same offence.
The suspension of the Australian Tennis Open in Melbourne following two days of soaring will cause severe disruption to in ad schedule of 32 singles matches as well as doubles.
– Tournament statement
The Australian Open extreme heat policy has been implemented," said a statement.
The roof on Rod Laver Arena and Hisense Arena will be closed at the end of the set. Play will be suspended at the end of the set on all outside courts until further notice.
Temperatures could go as high as 44C according to forecast and remain high on Friday.
The organisers of the Australian Tennis Open have suspended play amid extreme heat as temperatures soared to 42C, according to AFP.
The news agency reported that players would have to complete their current sets at 6am GMT on the outside courts and the roof would be closed on centre and second courts
British doubles player Ross Hutchins has won his first tour match since his remarkable comeback from cancer.
Twelve months ago the 28-year-old Londoner was beginning six months of chemotherapy to get rid of the Hodgkin's lymphoma that had invaded his body.
Hutchins had to build up his fitness from nothing after being told he was in remission in July but on a baking hot Melbourne afternoon he and Scot Colin Fleming beat Marinko Matosevic and Michal Przysiezny 4-6 6-4 6-0 in the first round of the Australian Open.
"I think we did well to dig out a win today," he said. "It was actually brilliant to be honest, and I'm loving the feeling right now.
"This is a fantastic tournament, and I'm just thrilled to be back involved and back able to hopefully try to win more matches."
Andy Murray has cruised into the second round of the Australian Open with a 6-1 6-1 6-4 win over Go Soeda of Japan.
Murray, making his return to Grand Slam action for the first time since back surgery in September, took just 87 minutes to overcome the world number 112.