Fort Denison Weather Forecast

    • 14
    • 27

    Clear

    • 12
    • 24

    Sunny

    • 11
    • 25

    Mostly sunny

    • 12
    • 25

    Mostly sunny

    • 12
    • 26

    Sunny

    • 14
    • 27

    Partly cloudy

    • 17
    • 29

    Shower or two

Today 19 Sep Sydney

Clear. Winds westerly 20 to 30 km/h becoming light in the evening.

Extreme Fire Danger Rating

Take action now to protect life and property

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Westerly 15 to 20 knots decreasing to about 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Clear.
Weather Situation
Gusty westerly winds will ease overnight as a trough passes to the south, however westerly winds may freshen a little on Friday and during the weekend as a series of cold fronts and trough pass to the south. Early next week a high pressure system is forecast to reach the Tasman Sea with winds turning northeasterly.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fort Denison Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 16 September, 2024

    6.6 °C

  • Average September

    16.8 °C

  • Highest 6 September, 2024

    29.7 °C

Climate (2019–Present)

Sydney (Observatory Hill) (2km)

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  • Average Low 2019–2024

    14.6 °C

  • Average 2019–2024

    18.2 °C

  • Average High 2019–2024

    23.3 °C
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