Botany Bay Weather Forecast
- 21
- 29
Partly cloudy
- 18
- 29
Sunny
- 17
- 29
Sunny
- 18
- 28
Partly cloudy
- 16
- 23
Possible shower
- 13
- 24
Partly cloudy
- 15
- 25
Partly cloudy
Today 9 Oct Sydney
Partly cloudy. Medium chance of showers, becoming less likely this morning. Winds west to northwesterly 25 to 35 km/h tending northerly 15 to 25 km/h in the morning then tending west to northwesterly 20 to 30 km/h in the middle of the day.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- North to northwesterly 15 to 20 knots tending west to northwesterly 10 to 15 knots in the middle of the day then decreasing to below 10 knots in the evening.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- Northwesterly winds are forecast to prevail over Sydney Waters most of the week, apart from brief incursions of westerly winds due to mobile troughs, as a high pressure ridge extends from the Tasman Sea to the far north coast while a series of cold fronts skims to the south through the week.
Botany Bay Temperature Statistics View More
October Temperature
Sydney Airport (4km)
Lowest 4 October, 2025
13.2 °CAverage October
20.2 °CHighest 6 October, 2025
32.1 °C
Climate (2020–Present)
Sydney Airport (4km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C