Cape Northumberland Weather Forecast

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    • 14

    Partly cloudy

    • 3
    • 14

    Shower

    • 8
    • 16

    Shower

    • 10
    • 15

    Shower

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    • 15

    Partly cloudy

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    Partly cloudy

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    Partly cloudy

Today 21 Jun Lower South East

Partly cloudy. Light winds.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southwesterly 2.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred south of SA will move slowly eastwards during Sunday and Monday to be centred over NSW later Monday. A cold front will move across southern coastal districts late Tuesday or early Wednesday then a new high will move across waters to the south mid-week to be centred over Tasmania on Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cape Northumberland Temperature Statistics View More

June Temperature

Mount Gambier Airport (36km)

  • Lowest 15 June, 2026

    2.4 °C

  • Average June

    11.9 °C

  • Highest 12 June, 2026

    20.1 °C

Climate (2021–2026)

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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