Mansion Bay Weather Forecast

    • 19
    • 21

    Mostly sunny

    • 19
    • 36

    Becoming windy. Partly cloudy

    • 18
    • 21

    Partly cloudy

    • 16
    • 23

    Sunny

    • 17
    • 23

    Possible shower

    • 20
    • 27

    Shower or two

    • 15
    • 21

    Shower or two

Today 21 Oct Sydney

Mostly sunny. Slight chance of rain, most likely in the evening. The chance of a thunderstorm in the outer west in the afternoon and evening. Winds north to northwesterly 20 to 30 km/h tending south to southeasterly before dawn then tending east to northeasterly 15 to 25 km/h in the early afternoon.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northerly 20 to 30 knots tending south to southeasterly 15 to 25 knots before dawn then tending east to northeasterly 10 to 15 knots in the late afternoon.
Seas
1 to 1.5 metres, decreasing to 1 metre during the morning.
1st Swell
Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mansion Bay Temperature Statistics View More

October Temperature

Sydney Airport (15km)

  • Lowest 4 October, 2025

    13.2 °C

  • Average October

    21.3 °C

  • Highest 17 October, 2025

    34.7 °C

Climate (2020–Present)

Sydney Airport (15km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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