Cat Bay Weather Forecast

    • 12
    • 27

    Clear

    • 15
    • 25

    Becoming windy. Partly cloudy

    • 11
    • 17

    Partly cloudy

    • 12
    • 20

    Sunny

    • 12
    • 26

    Mostly sunny

    • 15
    • 27

    Partly cloudy

    • 16
    • 23

    Partly cloudy

Today 29 Dec Central

Clear. Winds east to southeasterly 15 to 20 km/h tending east to northeasterly in the late evening.

Western Port Local Waters

Wind
Southeasterly 10 to 15 knots tending easterly in the evening.
Seas
Below 1 metre.
Weather
Clear.
Weather Situation
A weak ridge of high pressure over Victoria will be cleared by a trough, entering from the west late Monday, crossing the coast through Tuesday. A new ridge of high pressure will develop across the south on Wednesday, persisting across the coast into Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cat Bay Temperature Statistics View More

December Temperature

Rhyll (14km)

  • Lowest 7 December, 2025

    8.6 °C

  • Average December

    16.4 °C

  • Highest 18 December, 2025

    35.3 °C

Climate (2020–Present)

Rhyll (14km)

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  • Average Low 2020–2025

    12.1 °C

  • Average 2020–2025

    15.1 °C

  • Average High 2020–2025

    19.2 °C
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