Ummmm, not much:

Friday 10 February

SummaryMin 20 Max 40 Hot and mostly sunny.Possible rainfall: 0 mm Chance of any rain: 0%
Sydney area

Very hot and mostly sunny. Light winds becoming northeasterly 15 to 20 km/h during the afternoon then becoming light during the evening.

Sun protection recommended from 9:10 am to 5:30 pm, UV Index predicted to reach 14 [Extreme]


Saturday 11 February

SummaryMin 23 Max 43 Very hot and mostly sunny.Possible rainfall: 0 mm Chance of any rain: 5%
Sydney area

Very hot and mostly sunny. Winds west to northwesterly 15 to 20 km/h tending northwest to northeasterly 15 to 25 km/h during the afternoon then tending southeast to southwesterly during the evening.

Sun protection recommended from 9:10 am to 5:30 pm, UV Index predicted to reach 14 [Extreme]


Sunday 12 February

SummaryMin 24 Max 38 Hot. Shower or two.Possible rainfall: 0 to 3 mm Chance of any rain: 60%
Sydney area

Hot. Partly cloudy. Medium (60%) chance of showers, most likely later in the day. Winds west to northwesterly 20 to 30 km/h shifting southerly 25 to 40 km/h during the day.