Merri Island Weather Forecast

    • 10
    • 15

    Rain

    • 8
    • 15

    Showers

    • 8
    • 16

    Shower or two

    • 7
    • 17

    Shower or two

    • 9
    • 18

    Cloudy

    • 9
    • 21

    Cloudy

    • 12
    • 22

    Shower or two

Today 25 Oct Warrnambool

Cloudy. Very high chance of rain, most likely in the morning and early afternoon. Winds southerly 15 to 25 km/h tending southwesterly 20 to 30 km/h in the morning then tending westerly 20 to 25 km/h in the late evening.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southerly 10 to 15 knots turning west to southwesterly 15 to 20 knots in the afternoon. Winds reaching up to 25 knots in the far west in the evening.
Seas
Around 1 metre, increasing to 1.5 metres during the morning.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Cloudy. Near 100% chance of rain, with possible small hail in the late afternoon and evening.
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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 8 October, 2026

    3.5 °C

  • Average October

    14.5 °C

  • Highest 23 October, 2026

    32 °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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