Parramatta River - Wallumatta Bay Weather Forecast

    • 16
    • 25

    Partly cloudy

    • 16
    • 28

    Partly cloudy

    • 18
    • 32

    Showers. Possible storm

    • 16
    • 22

    Shower or two

    • 12
    • 24

    Shower or two

    • 11
    • 26

    Sunny

    • 12
    • 26

    Mostly sunny

Today 23 Oct Sydney

Partly cloudy. Slight chance of a shower in the west, becoming less likely later this evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the outer west early this evening. Winds northeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northeasterly 15 to 20 knots.
Seas
Below 0.5 metres.
Weather
Mostly clear.
Weather Situation
A high in the Tasman Sea maintains a ridge over the Sydney waters. The high will move slowly east on the weekend. A strong cold front and trough will cross the Sydney waters on Monday morning, followed by a new ridge.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Parramatta River - Wallumatta Bay Temperature Statistics View More

October Temperature

Sydney (Observatory Hill) (6 km)

  • Lowest 15 October, 2026

    10.6 °C

  • Average October

    18.8 °C

  • Highest 12 October, 2026

    34.8 °C

Climate (2021–2026)

Sydney (Observatory Hill) (6 km)

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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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