Just stocked on up on supplies at the Supermarket.
It's hot in Melbourne. Right now (at 1:50pm local), it's 95'F. It's expected to get up to 105 by the end of the day, with a late change due around 8pm, just after the start of the Australian Open Men's final.
It's been unseasonally cool in Melbourne during the Australian Open this year, this will be the first test of the players during the tournament, especially if the scheduled cool change doesn't arrive on time.