The Arch Weather Forecast

    • 9
    • 24

    Partly cloudy

    • 12
    • 24

    Partly cloudy

    • 12
    • 21

    Cloudy

    • 11
    • 23

    Cloudy

    • 10
    • 24

    Partly cloudy

    • 10
    • 26

    Shower

    • 13
    • 28

    Shower

Today 5 Mar South West

Mostly sunny. Winds west to northwesterly 15 to 20 km/h tending west to southwesterly 15 to 25 km/h in the early afternoon then becoming light in the late evening. Daytime maximum temperatures in the mid to high 20s.

West Victoria Coastal Waters

SA-Vic Border to Cape Otway
Wind
Northwesterly 15 to 20 knots turning westerly in the afternoon.
Seas
1 to 1.5 metres.
1st Swell
Southwesterly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
Weather
Partly cloudy.
Weather Situation
A low pressure trough over northeastern Victoria will weaken tonight as a ridge of high pressure extends over the south of the State. The ridge is forecast to persist over southern Victoria during today and Friday. A high pressure system south of the Bight will approach Tasmania on Saturday causing southerly winds to freshen across Victorian coastal waters. The high will then pass to the south of Tasmania on Sunday with winds turning easterly across Victorian coastal waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

The Arch Temperature Statistics View More

March Temperature

Cape Otway (55km)

  • Lowest 3 March, 2026

    14.5 °C

  • Average March

    17.6 °C

  • Highest 1 March, 2026

    23 °C

Climate (2021–Present)

Cape Otway (55km)

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  • Average Low 2021–2026

    11.7 °C

  • Average 2021–2026

    14.2 °C

  • Average High 2021–2026

    17.4 °C
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