Gordons Bay Weather Forecast

    • 17
    • 28

    Sunny

    • 19
    • 26

    Late shower or two. Windy

    • 15
    • 18

    Shower or two

    • 15
    • 21

    Shower or two

    • 17
    • 22

    Mostly sunny

    • 16
    • 25

    Sunny

    • 17
    • 26

    Becoming cloudy

Today 20 Sep Sydney

Sunny. Winds northwest to northeasterly 15 to 20 km/h tending westerly 15 to 25 km/h in the early afternoon then tending northwesterly 15 to 20 km/h in the evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
West to northwesterly about 10 knots tending northwest to northeasterly 10 to 15 knots in the middle of the day then tending northwesterly in the late evening.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Sunny.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over the state, ahead of a fresh and gusty southerly change moving across the the coastal waters and reaching the QLD border by Tuesday. A new high pressure system is forecast to slip south during early to mid next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gordons Bay Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (8km)

  • Lowest 18 September, 2026

    9.4 °C

  • Average September

    17.2 °C

  • Highest 5 September, 2026

    32.1 °C

Climate (2021–2026)

Sydney (Observatory Hill) (8km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    18.5 °C

  • Average High 2021–2026

    23.6 °C
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