Merri Island Weather Forecast

    • 9
    • 14

    Showers. Becoming windy

    • 6
    • 12

    Showers easing. Wind easing

    • 7
    • 12

    Showers

    • 5
    • 14

    Shower or two

    • 3
    • 14

    Partly cloudy

    • 5
    • 14

    Partly cloudy

    • 6
    • 14

    Shower or two

Today 28 Jul Warrnambool

Cloudy. Very high chance of showers. The chance of a thunderstorm in the late afternoon and evening. Possible small hail in the late afternoon and evening. Damaging winds possible. Winds west to northwesterly 30 to 45 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
West to northwesterly 25 to 30 knots tending west to southwesterly during the afternoon and evening. Winds reaching up to 35 knots in the evening.
Seas
2 to 3 metres, increasing to 2.5 to 4 metres offshore.
1st Swell
Westerly 2.5 to 4 metres, increasing to 4 to 6 metres during the afternoon.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the afternoon and evening. Possible small hail in the afternoon and evening.
Weather Situation
A cold front over Victoria on Tuesday will bring a colder southwesterly airstream. A weakening low pressure system will move across Bass Strait early Wednesday in the wake of Tuesday's front then a high pressure ridge will move across from the west on Thursday and Friday. The ridge will move eastwards on Saturday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

July Temperature

Warrnambool Airport (12km)

  • Lowest 7 July, 2026

    -1 °C

  • Average July

    9.2 °C

  • Highest 1 July, 2026

    16.5 °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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