Cat Bay Weather Forecast

    • 18
    • 31

    Afternoon cool change. Windy

    • 12
    • 19

    Partly cloudy

    • 12
    • 20

    Showers increasing

    • 10
    • 17

    Possible early shower

    • 10
    • 22

    Possible shower

    • 13
    • 19

    Cloudy

    • 11
    • 18

    Mostly sunny

Today 4 Dec Central

Partly cloudy. The chance of a thunderstorm with little or no rainfall mainly in the west, in the afternoon and early evening. Winds northerly 25 to 35 km/h tending north to northwesterly 35 to 50 km/h in the morning then shifting south to southwesterly 15 to 25 km/h in the evening. Overnight temperatures falling to between 14 and 19 with daytime temperatures reaching the low to mid 30s.

Western Port Local Waters

Wind
North to northwesterly 15 to 25 knots increasing to 20 to 30 knots in the morning then tending south to southwesterly 15 to 25 knots in the late afternoon and evening. Winds reaching up to 35 knots during the morning. Squalls to 42 knots possible in the morning.
Seas
Around 1 metre, increasing to 1 to 1.5 metres west of Sandy Point during the morning.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cat Bay Temperature Statistics View More

December Temperature

Rhyll (14km)

  • Lowest 2 December, 2025

    9 °C

  • Average December

    13.8 °C

  • Highest 2 December, 2025

    17.3 °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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