London Arch Weather Forecast

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    Shower

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    Shower

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    • 18

    Shower

    • 12
    • 19

    Shower

    • 11
    • 17

    Cloudy

    • 10
    • 19

    Cloudy

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    Partly cloudy

Today 21 Dec South West

Cloudy. High chance of showers near the Otways, medium chance elsewhere. Winds southwesterly 25 to 35 km/h.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Southerly 15 to 20 knots tending southwesterly 20 to 25 knots in the late afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres by early evening.
1st Swell
Southwesterly 1 to 1.5 metres.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A low pressure system lies over eastern Victoria and Bass Strait and is expected to deepen as it moves southeast into the Tasman Sea by late Sunday. A high pressure ridge then builds across Victoria and Bass Strait during Monday. A weak cold front crosses Bass Strait during late Monday and early Tuesday with the ridge re-establishing itself over Bass Strait from Tuesday to Thursday.
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London Arch Temperature Statistics View More

December Temperature

Warrnambool Airport (56km)

  • Lowest 12 December, 2025

    3.7 °C

  • Average December

    15.2 °C

  • Highest 18 December, 2025

    34.7 °C

Climate (2020–Present)

Warrnambool Airport (56km)

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  • Average Low 2020–2025

    8.8 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    19 °C
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