Round Island Weather Forecast

    • 14
    • 28

    Mostly sunny

    • 16
    • 37

    Sunny

    • 17
    • 23

    Partly cloudy

    • 15
    • 25

    Partly cloudy

    • 17
    • 29

    Partly cloudy

    • 17
    • 24

    Cloudy

    • 14
    • 20

    Possible shower

Today 26 Jan Central

The chance of fog early this morning. The chance of smoke haze in the west this morning. Sunny afternoon. Winds east to southeasterly 15 to 25 km/h tending south to southeasterly in the late afternoon then tending east to southeasterly in the late evening. Daytime maximum temperatures 29 to 35.

Western Port Local Waters

Wind
Easterly about 10 knots increasing to 10 to 15 knots in the early morning. Winds reaching up to 20 knots west of Sandy Point in the afternoon.
Seas
Below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high pressure system moves over waters to the south of the state to be in the Tasman Sea today. A northerly airstream on Tuesday precedes another trough moving in from the west and reaching central districts in the afternoon and remaining districts on Wednesday. A ridge of high pressure moves into the west on Wednesday and more broadly over the state on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Round Island Temperature Statistics View More

January Temperature

Cerberus (18km)

  • Lowest 23 January, 2026

    7.5 °C

  • Average January

    19.2 °C

  • Highest 9 January, 2026

    42.3 °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

    19.5 °C
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