Fort Denison Weather Forecast

    • 15
    • 22

    Shower or two

    • 15
    • 21

    Shower or two easing

    • 14
    • 21

    Shower or two

    • 13
    • 18

    Showers increasing

    • 13
    • 19

    Showers

    • 15
    • 21

    Showers

    • 15
    • 21

    Showers

Today 15 May Sydney

Cloudy. High chance of showers. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
South to southeasterly below 10 knots.
Seas
Below 0.5 metres.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm.
Weather Situation
South to southeasterly winds persist over Sydney Waters today turning southwesterly Friday due to an offshore low pressure system to the north. A surge of southerly winds is forecast as a trough moves up the coast. Over Sunday and Monday, winds will tend fresh to strong southeasterly as the trough deepens into a coastal low
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fort Denison Temperature Statistics View More

May Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 2 May, 2025

    11.5 °C

  • Average May

    17.4 °C

  • Highest 7 May, 2025

    26.2 °C

Climate (2020–Present)

Sydney (Observatory Hill) (2km)

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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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