Merri Island Weather Forecast

    • 10
    • 17

    Cloudy

    • 7
    • 17

    Cloud clearing

    • 6
    • 20

    Sunny

    • 9
    • 21

    Mostly sunny

    • 9
    • 21

    Partly cloudy

    • 11
    • 21

    Shower or two

    • 11
    • 19

    Showers

Today 10 May Warrnambool

Cloudy. Light winds becoming southeasterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
South to southeasterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A large high pressure system in the Bight will slowly drift eastwards, moving south of Victoria early next week and into the Tasman Sea by the midweek.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

May Temperature

Warrnambool Airport (12km)

  • Lowest 7 May, 2026

    6.7 °C

  • Average May

    14.1 °C

  • Highest 1 May, 2026

    28.3 °C

Climate (2021–Present)

Warrnambool Airport (12km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    19.1 °C
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