The forecast for Saturday in Melbourne is for isolated showers to develop in the evening. The match is scheduled to begin at 20:00 local time (12:00 SA time).
The last time the teams played at Docklands in 2001, Australia won 35-14 under a closed roof to level the series 1-1. Australia went on to win that series 2-1.
Last week, replacement Wallabies fullback Kurtley Beale slipped on the damp turf in Brisbane while attempting a penalty goal as time expired, missing the kick and allowing the Lions to win the first Test 23-21.