Merri Island Weather Forecast

    • 8
    • 15

    Partly cloudy

    • 6
    • 17

    Cloudy

    • 5
    • 23

    Sunny

    • 12
    • 23

    Showers increasing

    • 12
    • 17

    Shower or two

    • 7
    • 19

    Possible shower

    • 10
    • 18

    Showers

Today 6 Oct Warrnambool

Partly cloudy. Winds southwesterly 25 to 35 km/h tending southerly 15 to 20 km/h in the evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots in the far east in the late afternoon. Winds turning southerly in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres in the east.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system deepens over the Bight tonight following a cold front that crossed Bass Strait today. The high moves southeastward, drifting over the southern Tasman Sea by Thursday where it will continue to extend a weak ridge over Victoria. A cold front moving through the Bight will reach western Victoria later Friday, crossing the State on the Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

October Temperature

Warrnambool Airport (12 km)

  • Lowest 4 October, 2026

    5.5 °C

  • Average October

    11.6 °C

  • Highest 1 October, 2026

    17.1 °C

Climate (2021–2026)

Warrnambool Airport (12 km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    19.2 °C
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