Merri Island Weather Forecast

    • 8
    • 14

    Showers increasing

    • 9
    • 15

    Showers easing

    • 8
    • 15

    Showers easing

    • 7
    • 14

    Possible shower

    • 5
    • 15

    Cloudy

    • 5
    • 18

    Mostly sunny

    • 8
    • 18

    Partly cloudy

Today 12 Aug Warrnambool

Cloudy. Very high chance of showers, most likely in the afternoon and evening. Winds westerly 25 to 35 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Westerly 15 to 20 knots, reaching up to 25 knots in the east during the afternoon and evening.
Seas
1.5 to 2 metres.
1st Swell
Southwesterly 4 to 5 metres.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A high pressure system developing south of the Bight extends a ridge over Victoria this evening in the wake of a weak cold front. The high will then drift slowly to the southeast over Tasmania over the weekend.
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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

    9.5 °C

  • Highest 7 August, 2026

    15.5 °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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