Fort Denison Weather Forecast

    • 9
    • 20

    Showers increasing

    • 10
    • 19

    Showers easing. Windy

    • 12
    • 21

    Sunny

    • 9
    • 20

    Partly cloudy

    • 9
    • 19

    Sunny

    • 8
    • 20

    Sunny

    • 11
    • 19

    Shower or two

Today 9 Aug Sydney

Cloudy. Patchy fog in the outer west in the early morning. Very high chance of showers, most likely in the afternoon and evening. Light winds becoming northerly 15 to 25 km/h in the middle of the day.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
North to northwesterly 10 to 15 knots tending north to northeasterly during the afternoon and evening.
Seas
Below 0.5 metres.
Weather
Cloudy. 95% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Fort Denison Temperature Statistics View More

August Temperature

Sydney (Observatory Hill) (2km)

  • Lowest 5 August, 2026

    7.2 °C

  • Average August

    12.6 °C

  • Highest 3 August, 2026

    22.2 °C

Climate (2021–2026)

Sydney (Observatory Hill) (2km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.4 °C

  • Average High 2021–2026

    23.6 °C
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