Mansion Bay Weather Forecast

    • 16
    • 27

    Possible shower. Windy

    • 13
    • 20

    Sunny

    • 13
    • 20

    Sunny

    • 14
    • 21

    Possible shower

    • 16
    • 20

    Shower or two

    • 16
    • 21

    Possible shower

    • 14
    • 22

    Partly cloudy

Today 17 Apr Sydney

Partly cloudy. Medium chance of showers. The chance of a thunderstorm in the evening. Winds southerly 25 to 35 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Southerly 25 to 30 knots.
Seas
2.5 metres.
1st Swell
Southerly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy.
Weather Situation
A southerly change is moving north along the coast and is forecast to reach the northern border early Saturday morning. In the wake of this, the a high pressure system over southern NSW will extend a ridge over NSW waters. The high is expected to move east next week reaching the southern Tasman Sea by Sunday, maintaining settled weather.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mansion Bay Temperature Statistics View More

April Temperature

Sydney Airport (15km)

  • Lowest 12 April, 2026

    12 °C

  • Average April

    20.3 °C

  • Highest 9 April, 2026

    30.5 °C

Climate (2021–Present)

Sydney Airport (15km)

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

  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.7 °C

  • Average High 2021–2026

    23.4 °C
Get WillyWeather+ to remove ads