Round Island Weather Forecast

    • 9
    • 16

    Showers

    • 9
    • 15

    Showers. Windy

    • 11
    • 17

    Partly cloudy

    • 10
    • 25

    Sunny

    • 17
    • 25

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 12
    • 19

    Shower or two

Today 30 Nov Central

Cloudy. Very high chance of showers. The chance of a thunderstorm during this afternoon and early evening, possibly severe with damaging winds about the ranges. Winds westerly 20 to 30 km/h turning northwesterly 15 to 25 km/h in the late evening. Daytime maximum temperatures between 12 and 17.

Western Port Local Waters

Wind
Westerly 10 to 15 knots, reaching up to 20 knots west of Sandy Point during the day. Winds turning northwesterly in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres west of Sandy Point around midday.
Weather
Cloudy. 90% chance of showers. The chance of a thunderstorm during this afternoon and evening.
Weather Situation
A weak ridge of high pressure is bringing a persistent southwesterly flow over the state. A weak cold front is forecast to cross from the west later today, before a stronger cold front passes over the state on Monday. A high pressure system is then expected to move over Victoria during Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Round Island Temperature Statistics View More

November Temperature

Cerberus (18km)

  • Lowest 13 November, 2025

    5.2 °C

  • Average November

    14.2 °C

  • Highest 2 November, 2025

    31.1 °C

Climate (2020–Present)

Cerberus (18km)

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  • Average Low 2020–2025

    10.1 °C

  • Average 2020–2025

    14.5 °C

  • Average High 2020–2025

    19.5 °C
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