Weekend forecast doesn't look great.
SAT Cloudy. Medium (60%) chance of rain, most likely in the morning. Light winds.
SUN Cloudy. Medium (60%) chance of showers, most likely in the morning and afternoon. Winds north to northwesterly 30 to 45 km/h tending west to northwesterly and becoming light during the afternoon.
http://www.bom.gov.au/nsw/forecasts/wollongong.shtml
Have they ever thought of moving somewhere that needs rain.