Merricks Beach Weather Forecast

    • 13
    • 26

    Shower or two. Windy

    • 9
    • 14

    Shower or two

    • 3
    • 16

    Mostly sunny

    • 5
    • 18

    Mostly sunny

    • 8
    • 23

    Partly cloudy

    • 14
    • 23

    Partly cloudy

    • 12
    • 17

    Possible shower

Today 20 Sep Mornington Peninsula

Sunny morning. Medium chance of showers, most likely at night. Winds northerly 25 to 40 km/h increasing to 40 to 60 km/h in the morning then turning westerly 25 to 35 km/h in the late afternoon.

Western Port Local Waters

Wind
North to northwesterly 10 to 15 knots becoming northerly 15 to 25 knots in the early morning then turning westerly 15 to 20 knots in the evening. Winds reaching up to 30 knots in the late morning and early afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
Mostly sunny. 60% chance of showers.
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Merricks Beach Temperature Statistics View More

September Temperature

Cerberus (8km)

  • Lowest 18 September, 2026

    2.4 °C
  • Average September

    12.9 °C
  • Highest 13 September, 2026

    25.6 °C

Climate (2021–2026)

Cerberus (8km)

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  • Average Low 2021–2026

    10.2 °C
  • Average 2021–2026

    14.6 °C
  • Average High 2021–2026

    19.7 °C
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