Castlecrag Marine Weather Forecast

    • 14
    • 23

    Shower or two

    • 15
    • 23

    Shower or two

    • 15
    • 23

    Showers

    • 15
    • 21

    Showers

    • 12
    • 21

    Mostly sunny

    • 12
    • 21

    Shower or two

    • 13
    • 21

    Shower or two

Today 16 May Sydney

Partly cloudy. Medium chance of showers. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
North to northeasterly below 10 knots.
Seas
Below 0.5 metres.
Weather
Cloudy. 50% chance of showers.
Weather Situation
A strong high pressure system over the southern Tasman Sea will slowly drift east towards New Zealand over the next several days while directing an onshore easterly airstream over Sydney Local Waters. A coastal trough is expected to develop about the north coast early next week, extending unsettled weather to Sydney.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Castlecrag Marine Temperature Statistics View More

May Temperature

Sydney (Observatory Hill) (6km)

  • Lowest 8 May, 2026

    9.9 °C

  • Average May

    17.6 °C

  • Highest 3 May, 2026

    25.9 °C

Climate (2021–Present)

Sydney (Observatory Hill) (6km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.4 °C

  • Average High 2021–2026

    23.5 °C
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