Fort Denison Weather Forecast

    • 14
    • 22

    Showers

    • 13
    • 23

    Shower or two

    • 14
    • 23

    Shower or two

    • 15
    • 23

    Shower or two

    • 15
    • 22

    Showers

    • 13
    • 21

    Shower or two

    • 12
    • 21

    Shower or two

Today 15 May Sydney

Partly cloudy. High chance of showers. The chance of a thunderstorm in the late morning and afternoon. Light winds.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of morning fog with reduced visibility. 80% chance of showers. The chance of a thunderstorm.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fort Denison Temperature Statistics View More

May Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 8 May, 2026

    9.9 °C

  • Average May

    17.7 °C

  • Highest 3 May, 2026

    25.9 °C

Climate (2021–Present)

Sydney (Observatory Hill) (2km)

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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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