Yarra Bay Weather Forecast

    • 17
    • 29

    Mostly sunny

    • 15
    • 19

    Showers

    • 14
    • 20

    Cloudy

    • 12
    • 21

    Cloud clearing

    • 13
    • 24

    Sunny

    • 15
    • 27

    Sunny

    • 18
    • 29

    Shower or two

Today 26 Sep Sydney

Partly cloudy. Slight chance of a shower late this afternoon and evening. The chance of a thunderstorm during this afternoon and evening. Light winds becoming northwest to southwesterly 15 to 20 km/h in the middle of the day then tending southerly 25 to 35 km/h in the late afternoon.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
North to northwesterly 10 to 15 knots shifting southerly 20 to 25 knots in the evening then increasing to 20 to 30 knots in the late evening. Squalls possible with the wind change.
Seas
Below 0.5 metres.
Weather
Mostly sunny day. The chance of a thunderstorm late this afternoon and evening.
Weather Situation
A high pressure system over the Tasman Sea directs a north to northeasterly flow through the Sydney Waters. A cold front and trough will enter the Tasman Sea during the weekend, bringing a southerly change that will pass through the Sydney Waters on Saturday night. A high pressure centre will then move across Tasmania early next week, with winds over the NSW coast tending southeasterly in response.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Yarra Bay Temperature Statistics View More

September Temperature

Sydney Airport (6km)

  • Lowest 18 September, 2026

    9.1 °C

  • Average September

    18.1 °C

  • Highest 20 September, 2026

    32.7 °C

Climate (2021–2026)

Sydney Airport (6km)

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  • Average Low 2021–2026

    15 °C

  • Average 2021–2026

    18.8 °C

  • Average High 2021–2026

    23.5 °C
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