Round Island Weather Forecast

    • 16
    • 27

    Mostly sunny

    • 16
    • 27

    Mostly sunny

    • 15
    • 23

    Sunny

    • 14
    • 20

    Partly cloudy

    • 14
    • 24

    Cloud clearing

    • 16
    • 33

    Partly cloudy

    • 16
    • 23

    Partly cloudy

Today 19 Jan Central

Partly cloudy. Slight chance of a shower about the ranges, most likely this evening. Near zero chance of rain elsewhere. The chance of a thunderstorm during this afternoon and evening. Winds east to northeasterly 20 to 30 km/h tending north to northeasterly in the morning then turning east to southeasterly in the late morning and early afternoon. Daytime maximum temperatures 26 to 31.

Western Port Local Waters

Wind
Easterly 15 to 20 knots.
Seas
Around 1 metre.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

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Round Island Temperature Statistics View More

January Temperature

Cerberus (18km)

  • Lowest 2 January, 2026

    8.5 °C
  • Average January

    18.9 °C
  • Highest 9 January, 2026

    42.3 °C

Climate (2021–Present)

Cerberus (18km)

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  • Average Low 2021–2026

    10.1 °C
  • Average 2021–2026

    14.5 °C
  • Average High 2021–2026

    19.5 °C
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