Hawkesbury River - Olga Bay Weather Forecast

    • 19
    • 30

    Partly cloudy

    • 18
    • 29

    Mostly sunny

    • 18
    • 23

    Shower or two

    • 15
    • 21

    Possible shower

    • 14
    • 23

    Partly cloudy

    • 15
    • 24

    Partly cloudy

    • 15
    • 26

    Partly cloudy

Today 23 Dec Central Coast

Mostly clear. Winds southeasterly 25 to 35 km/h becoming light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Southeasterly 15 to 25 knots decreasing to about 10 knots in the late evening. Winds may reach up to 30 knots at times.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
Fresh to strong southeasterly winds lie over Sydney local waters today in the wake of a trough. Winds will briefly turn northerly before a high pressure system builds in the Bight, directing another, stronger, southerly change over Sydney local waters late Wednesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Hawkesbury River - Olga Bay Temperature Statistics View More

December Temperature

Terrey Hills (17km)

  • Lowest 3 December, 2025

    11.3 °C

  • Average December

    22 °C

  • Highest 19 December, 2025

    40.2 °C

Climate (2020–Present)

Terrey Hills (17km)

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  • Average Low 2020–2025

    13.4 °C

  • Average 2020–2025

    16.9 °C

  • Average High 2020–2025

    21.8 °C
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