Cat Bay Weather Forecast

    • 13
    • 26

    Partly cloudy

    • 13
    • 19

    Partly cloudy

    • 12
    • 19

    Partly cloudy

    • 11
    • 23

    Mostly sunny

    • 15
    • 31

    Sunny

    • 17
    • 25

    Partly cloudy

    • 16
    • 30

    Shower or two

Today 3 Jan Central

Partly cloudy. The chance of fog in the southwest in the early morning. Slight chance of a shower. The chance of a thunderstorm in the afternoon and evening. Winds northeast to southeasterly 15 to 20 km/h tending northwest to northeasterly 20 to 30 km/h in the early morning then tending southeast to southwesterly in the late afternoon. Overnight temperatures falling to between 11 and 14 with daytime temperatures reaching 28 to 33.

Western Port Local Waters

Wind
Variable about 10 knots becoming south to southwesterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
Weather
Partly cloudy. The chance of a thunderstorm in the afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

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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