Blackwattle Bay Marina Weather Forecast

    • 11
    • 21

    Cloud clearing

    • 12
    • 23

    Sunny

    • 13
    • 26

    Partly cloudy

    • 15
    • 24

    Shower or two developing

    • 10
    • 18

    Partly cloudy

    • 10
    • 20

    Mostly sunny

    • 10
    • 24

    Sunny

Today 12 Sep Sydney

The chance of fog in the early morning, mainly in the west. The chance of smoke haze in the early morning. Sunny afternoon. Light winds becoming northeasterly 15 to 25 km/h in the early afternoon then becoming light in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots becoming east to northeasterly 10 to 15 knots in the early afternoon then tending north to northeasterly in the evening.
Seas
Below 0.5 metres.
Weather
Cloud clearing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Blackwattle Bay Marina Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 9 September, 2026

    9.8 °C

  • Average September

    17.4 °C

  • Highest 5 September, 2026

    32.1 °C

Climate (2021–2026)

Sydney (Observatory Hill) (2km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    23.6 °C
Get WillyWeather+ to remove ads