In the past, this would have been a bit of a gamble, possibly combined with some kind of superstitious activity to try and alter the outcome. Thanks to the wonders of modern technology, I just had a quick look at the Sydney Rain Radar, saw it was blowing over: and we went and got a (very nice) coffee instead. After coffee, another quick check of the radar confirmed that the rain had moved on. Home and dry!
Of course, the rain radar doesn't always tell you what you want...
It’s going to be a wet one!