Forecast for Melbourne, issued 25th December, 4pm.
Wednesday : Fine warm and sunny, light NE winds.
Min 16 Max 26
Thursday : Showers and thunderstorms developing over the NE, humid with light NE winds, ahead of a late cooler SW change.
Min 18 Max 29
Friday : Becoming fine after an early shower, light winds tending cooler S/SE later.
Min 17 Max 23
Saturday : Mostly fine, partly cloudy with a brief shower or two. Light to moderate SE winds.
Min 16 Max 22
Sunday : Fine and partly cloudy, light winds.
Min 14 Max 24
Monday : Fine, warm and sunny with light winds.
Min 17 Max 27
Tuesday : Fine and very warm, light to moderate NE wind.
Min 18 Max 33
Notes on the Weather : A very active low pressure trough dominates the country, tropical moisture is being advected South into the trough from NW WA, and a high pressure ridge is over SW WA. A cold front is laying across Victoria, with a low pressure trough through NSW.
A cold front has moved through and is now in the Tasman Sea, and a cooler SW flow is becoming established. Christmas day will be cool and mostly cloudy in the morning with isolated light showers, clearing quickly for a sunny afternoon through most of Vic. Conditions will warm on Wednesday and Thursday before a weak change produces isolated showers and thunderstorms across the state later on Thursday.
Friday will become cooler again but conditions will clear up quickly, and gradually warm over the weekend before some hot weather develops New Years Eve, and increases on New Years Day