Merri Island Weather Forecast

    • 7
    • 15

    Cloudy

    • 6
    • 16

    Cloud clearing

    • 8
    • 20

    Showers developing

    • 9
    • 15

    Shower or two

    • 9
    • 16

    Showers easing

    • 7
    • 18

    Showers

    • 10
    • 15

    Showers

Today 30 Aug Warrnambool

Cloudy. Light winds.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southwesterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southwesterly 3 metres.
Weather
Cloudy.
Weather Situation
A high pressure system moves across southeastern Australia and into the Tasman Sea on Monday. A cold front approaches from the west and crosses Victoria later Tuesday. A second cold front embedded in a westerly flow clips the south of the State on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

August Temperature

Warrnambool Airport (12km)

  • Lowest 2 August, 2026

    1.4 °C

  • Average August

    10.3 °C

  • Highest 17 August, 2026

    18.2 °C

Climate (2021–2026)

Warrnambool Airport (12km)

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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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