Round Island Weather Forecast

    • 11
    • 21

    Showers increasing

    • 11
    • 18

    Showers easing. Wind easing

    • 10
    • 19

    Showers increasing

    • 7
    • 14

    Showers. Windy

    • 9
    • 17

    Showers easing. Windy

    • 11
    • 17

    Shower or two

    • 11
    • 17

    Possible shower

Today 4 May Central

Becoming cloudy. Very high chance of showers near the Otways, medium chance elsewhere. Winds northerly 20 to 30 km/h increasing to 30 to 45 km/h in the morning then turning northwesterly 25 to 35 km/h during the afternoon and evening. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching between 14 and 21.

Western Port Local Waters

Wind
Northerly 15 to 20 knots turning northwesterly during the afternoon and evening.
Seas
Below 1 metre.
Weather
Partly cloudy. 70% chance of showers.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Round Island Temperature Statistics View More

May Temperature

Cerberus (18km)

  • Lowest 2 May, 2026

    10.5 °C

  • Average May

    17.7 °C

  • Highest 1 May, 2026

    27.8 °C

Climate (2021–Present)

Cerberus (18km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    14.5 °C

  • Average High 2021–2026

    19.6 °C
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