Round Island Weather Forecast

    • 5
    • 12

    Partly cloudy

    • 4
    • 12

    Cloudy

    • 4
    • 15

    Cloud clearing

    • 6
    • 15

    Showers increasing

    • 7
    • 14

    Showers. Becoming windy

    • 9
    • 15

    Showers

    • 9
    • 15

    Showers

Today 8 Jul Central

Areas of morning frost about the ranges. The chance of morning fog. Mostly sunny afternoon. Light winds. Daytime maximum temperatures between 10 and 13.

Western Port Local Waters

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of morning fog with reduced visibility.
Weather Situation
A high pressure system near Tasmania remains near stationary, directing an easterly airstream across Victoria until Thursday. The high slowly moves eastwards over the southern Tasman Sea on Thursday, maintaining a ridge over Victoria into Friday. A cold front approaches and crosses Victoria from the west during the weekend.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Round Island Temperature Statistics View More

July Temperature

Cerberus (18km)

  • Lowest 7 July, 2026

    1.5 °C

  • Average July

    10.1 °C

  • Highest 1 July, 2026

    17.9 °C

Climate (2021–2026)

Cerberus (18km)

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  • Average Low 2021–2026

    10.2 °C

  • Average 2021–2026

    14.6 °C

  • Average High 2021–2026

    19.7 °C
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