Cat Bay Weather Forecast

    • 10
    • 15

    Partly cloudy

    • 8
    • 15

    Partly cloudy

    • 9
    • 15

    Shower or two

    • 8
    • 15

    Cloudy

    • 10
    • 15

    Cloudy

    • 8
    • 17

    Partly cloudy

    • 11
    • 19

    Showers

Today 26 Aug Central

Partly cloudy. Slight chance of a shower in the east in the late morning. Near zero chance of rain elsewhere. Winds south to southwesterly 15 to 25 km/h becoming light in the evening. Daytime maximum temperatures between 11 and 15.

Western Port Local Waters

Wind
Southwesterly 10 to 15 knots decreasing to below 10 knots in the late evening.
Seas
Below 0.5 metres, increasing to below 1 metre west of Sandy Point.
Weather
Partly cloudy.
Weather Situation
A large high pressure system over South Australia will begin to extend a ridge over western Victoria from today. The high pressure centre will slowly move over the north on Thursday, remaining relatively stationary on Friday with a weak trough skimming the south in the afternoon. A new high pressure ridge will begin to develop from the west on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cat Bay Temperature Statistics View More

August Temperature

Rhyll (14km)

  • Lowest 1 August, 2026

    5.1 °C

  • Average August

    11.8 °C

  • Highest 18 August, 2026

    18.2 °C

Climate (2021–2026)

Rhyll (14km)

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  • Average Low 2021–2026

    12.2 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    19.4 °C
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