Castlecrag Weather Forecast

    • 19
    • 30

    Clear

    • 21
    • 27

    Becoming cloudy

    • 18
    • 24

    Possible shower

    • 18
    • 25

    Partly cloudy

    • 17
    • 28

    Sunny

    • 19
    • 29

    Possible shower

    • 20
    • 26

    Shower or two

Today 11 Mar Sydney

Sunny. Winds north to northeasterly 15 to 25 km/h tending east to northeasterly in the late afternoon then tending north to northeasterly in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
North to northeasterly about 10 knots increasing to 15 to 20 knots in the middle of the day.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A high over the southern Tasman Sea extends a ridge over Sydney Waters. A trough looks set to enter the far south coast late Wednesday and cross Sydney Waters on Thursday, with fresh gusty southerly winds in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castlecrag Temperature Statistics View More

March Temperature

Sydney (Observatory Hill) (7km)

  • Lowest 8 March, 2026

    18.9 °C

  • Average March

    23.2 °C

  • Highest 6 March, 2026

    30.3 °C

Climate (2021–Present)

Sydney (Observatory Hill) (7km)

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  • Average Low 2021–2026

    14.7 °C

  • Average 2021–2026

    18.3 °C

  • Average High 2021–2026

    23.5 °C
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