Castlecrag Weather Forecast

    • 17
    • 29

    Clear

    • 20
    • 33

    Partly cloudy

    • 17
    • 27

    Mostly sunny

    • 12
    • 23

    Mostly sunny

    • 12
    • 22

    Mostly sunny

    • 13
    • 23

    Mostly sunny

    • 13
    • 25

    Sunny

Today 9 Apr Sydney

Clear. Winds northeasterly 15 to 20 km/h becoming light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northeasterly 10 to 15 knots turning northerly below 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Clear.
Weather Situation
Northerly winds strengthening ahead of a strong cold front that is forecast to move across the coastal waters Friday with a fresh and gusty southerly wind change in its wake expected late Friday into Saturday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castlecrag Temperature Statistics View More

April Temperature

Sydney (Observatory Hill) (7km)

  • Lowest 6 April, 2026

    14.6 °C

  • Average April

    20 °C

  • Highest 7 April, 2026

    27.9 °C

Climate (2021–Present)

Sydney (Observatory Hill) (7km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.3 °C

  • Average High 2021–2026

    23.5 °C
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