Round Island Weather Forecast

    • 11
    • 17

    Shower or two. Windy

    • 12
    • 20

    Showers easing

    • 13
    • 20

    Cloudy

    • 12
    • 22

    Partly cloudy

    • 14
    • 27

    Sunny

    • 17
    • 26

    Partly cloudy

    • 14
    • 24

    Partly cloudy

Today 27 Mar Central

Cloudy. Medium chance of showers, most likely at night. Damaging winds possible about the ranges. Winds southerly 35 to 50 km/h. Daytime maximum temperatures between 13 and 17.

Western Port Local Waters

Wind
Southerly 20 to 30 knots decreasing to 15 to 25 knots in the late afternoon. Winds may reach up to 35 knots at times.
Seas
1 to 2 metres, increasing to 2 to 3 metres west of Sandy Point.
Weather
Cloudy.
Weather Situation
A low pressure system will continue to develop off the east coast today, before slowly moving eastwards over the Tasman Sea into Saturday. Meanwhile a high pressure system in the Bightwill push into the west and will centre itself over Victoria on Sunday before drifting eastwards in the new week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Round Island Temperature Statistics View More

March Temperature

Cerberus (18km)

  • Lowest 5 March, 2026

    8.8 °C

  • Average March

    17.8 °C

  • Highest 22 March, 2026

    30.8 °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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