Lane Cove River - Yacht Bay Weather Forecast

    • 19
    • 31

    Shower or two

    • 14
    • 19

    Showers increasing

    • 15
    • 22

    Showers

    • 16
    • 24

    Partly cloudy

    • 15
    • 25

    Sunny

    • 16
    • 28

    Sunny

    • 15
    • 22

    Cloudy

Today 21 Sep Sydney

Becoming cloudy. Medium chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the outer west in the afternoon and evening. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly 25 to 40 km/h in the middle of the day then becoming southerly 15 to 25 km/h in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Westerly 10 to 15 knots turning southerly 15 to 25 knots in the middle of the day. Winds may reach up to 30 knots at times.
Seas
Below 0.5 metres.
Weather
Becoming cloudy. 50% chance of showers.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over the Sydney Waters early today, ahead of a fresh and gusty southerly change arriving in the late morning. Winds are forecast to turn northeasterly by mid-week as a new high pressure system slips south of the state and enters the Tasman Sea by mid-week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Lane Cove River - Yacht Bay Temperature Statistics View More

September Temperature

Sydney (Observatory Hill) (4km)

  • Lowest 18 September, 2026

    9.4 °C

  • Average September

    17.5 °C

  • Highest 5 September, 2026

    32.1 °C

Climate (2021–2026)

Sydney (Observatory Hill) (4km)

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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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