Cat Bay Weather Forecast

    • 16
    • 21

    Shower or two. Possible storm

    • 15
    • 23

    Very windy. Partly cloudy

    • 15
    • 23

    Windy. Partly cloudy

    • 15
    • 25

    Windy. Sunny

    • 16
    • 27

    Mostly sunny

    • 17
    • 26

    Mostly sunny

    • 16
    • 25

    Mostly sunny

Today 15 Jan Central

Cloudy. Very high chance of showers near the Otways, high chance elsewhere. The chance of a thunderstorm. Damaging winds possible this evening about the Macedon Ranges and near the coast. Winds south to southeasterly 25 to 35 km/h increasing to 25 to 40 km/h in the early afternoon. Daytime maximum temperatures between 19 and 25.

Western Port Local Waters

Wind
Easterly 10 to 15 knots tending southeasterly 20 to 30 knots in the middle of the day. Winds reaching up to 35 knots west of Sandy Point in the evening.
Seas
Below 1 metre, increasing to 1 to 2 metres during the afternoon.
Weather
Cloudy. 60% chance of showers. The chance of a thunderstorm.
Weather Situation
A low pressure trough over eastern districts will continue to develop, forming a low pressure system to the north of the state by Thursday. This low will remain over southern NSW until it moves northward on the weekend, reducing its influence over Victorian waters. A high pressure system will also drift south of Tasmania over the coming days and will extend a ridge across the state on the weekend once the low shifts northwards.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cat Bay Temperature Statistics View More

January Temperature

Rhyll (14km)

  • Lowest 2 January, 2026

    13 °C

  • Average January

    19 °C

  • Highest 9 January, 2026

    35.9 °C

Climate (2021–Present)

Rhyll (14km)

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  • Average Low 2021–2026

    12.1 °C

  • Average 2021–2026

    15.1 °C

  • Average High 2021–2026

    19.2 °C
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