Cat Bay Weather Forecast

    • 13
    • 26

    Partly cloudy

    • 14
    • 19

    Partly cloudy

    • 12
    • 19

    Mostly sunny

    • 12
    • 23

    Sunny

    • 15
    • 32

    Sunny

    • 18
    • 26

    Partly cloudy

    • 17
    • 29

    Partly cloudy

Today 3 Jan Central

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the east. Winds northwest to southwesterly 15 to 25 km/h tending south to southwesterly 20 to 30 km/h in the late afternoon.

Western Port Local Waters

Wind
Southwesterly about 10 knots increasing to 10 to 15 knots in the evening.
Seas
Below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm.
Weather Situation
A broad trough over western Victoria will move slowly eastwards across the state over the weekend. A high pressure system south of SA will extend a ridge over Victoria on Monday as the trough moves over the Tasman Sea. The high will move eastwards during Tuesday but will continue to extend a ridge over Victoria. Another broad trough will move across from the west on Wednesday.
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  • Temperature Forecast Bureau of Meteorology

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Cat Bay Temperature Statistics View More

January Temperature

Cerberus (15km)

  • Lowest 2 January, 2026

    8.5 °C

  • Average January

    15.7 °C

  • Highest 1 January, 2026

    19.4 °C

Climate (2021–Present)

Cerberus (15km)

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  • Average Low 2021–2026

    10.1 °C

  • Average 2021–2026

    14.5 °C

  • Average High 2021–2026

    19.5 °C
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