Merri Island Weather Forecast

    • 9
    • 23

    Partly cloudy

    • 13
    • 18

    Showers easing

    • 9
    • 15

    Showers easing

    • 8
    • 15

    Cloudy

    • 7
    • 18

    Partly cloudy

    • 8
    • 22

    Partly cloudy

    • 12
    • 21

    Showers

Today 24 Sep Warrnambool

Partly cloudy. Slight chance of a shower during this afternoon and evening. Winds northerly 15 to 25 km/h tending northwesterly 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
Northeasterly 10 to 15 knots turning north to northwesterly during the morning.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system is expected to sit over the Tasman Sea for the rest of the week, directing a warm northerly airstream over Victoria. A trough will cross southern Victoria on Friday. Another high pressure system south of the Bight will slowly move east during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merri Island Temperature Statistics View More

September Temperature

Warrnambool Airport (12km)

  • Lowest 22 September, 2026

    -0.3 °C

  • Average September

    11 °C

  • Highest 20 September, 2026

    24.8 °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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