Cape Northumberland Weather Forecast

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    Shower

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    Shower

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    Shower

    • 7
    • 17

    Partly cloudy

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    Sunny

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    Shower

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    Shower

Today 5 Jun Lower South East

Partly cloudy. Slight chance of a shower in the south, near zero chance elsewhere. Winds west to northwesterly 15 to 20 km/h.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Westerly 15 to 20 knots.
Seas
1.5 metres, increasing to 1.5 to 2 metres south of Port MacDonnell.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over SA, will move steadily eastwards to be centred over western NSW by Saturday evening and over the Tasman Sea by Monday. Northerly winds freshen Monday and Tuesday ahead of a weakening cold front mid-week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

June Temperature

Mount Gambier Airport (36km)

  • Lowest 1 June, 2026

    6.9 °C

  • Average June

    11.2 °C

  • Highest 2 June, 2026

    16.8 °C

Climate (2021–Present)

Mount Gambier Airport (36km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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