Today will be cloudy across the south-west with a 50 per cent chance of showers.
Winds will be south-westerly 20 to 25 km/h tending northwest to south-westerly 20 to 30 km/h in the middle of the day.
Warrnambool is expecting a top temperature of 19 degrees, Hamilton 21, Colac 22, Ararat 23, Casterton 22, Mortlake 21, Heywood 21, Portland 19 and Port Fairy 19.
A low pressure trough lying over eastern Victoria will move slowly eastwards today.
A cold front will approach Tasmania and Bass Strait tonight and will move through Bass Strait early Saturday.
A ridge of high pressure will then extend over inland Victoria on Sunday then the next cold front will reach south-west Victoria late Monday.
On Saturday Warrnambool is expecting a top of 18, Sunday 22 and Monday 23.