Diamond Bay Weather Forecast

    • 9
    • 18

    Sunny

    • 10
    • 19

    Sunny

    • 13
    • 19

    Possible shower

    • 11
    • 21

    Mostly sunny

    • 11
    • 20

    Sunny

    • 13
    • 21

    Sunny

    • 14
    • 22

    Shower or two

Today 31 Aug Sydney

Sunny. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A ridge of high pressure is extending across from the west and will be the dominant feature in the region for the coming days. A trough or cold front is forecast to pass to the south on Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Diamond Bay Temperature Statistics View More

August Temperature

Sydney (Observatory Hill) (7km)

  • Lowest 18 August, 2025

    6.6 °C

  • Average August

    13.7 °C

  • Highest 5 August, 2025

    22.9 °C

Climate (2020–Present)

Sydney (Observatory Hill) (7km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.2 °C

  • Average High 2020–2025

    23.4 °C
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