South West Island Weather Forecast

    • 26
    • 36

    Partly cloudy

    • 27
    • 36

    Partly cloudy

    • 27
    • 36

    Partly cloudy

    • 26
    • 36

    Partly cloudy

    • 26
    • 37

    Partly cloudy

    • 27
    • 36

    Partly cloudy

    • 27
    • 36

    Partly cloudy

Today 7 Dec Kakadu National Park

Partly cloudy. Slight chance of a shower, most likely at night. The chance of a thunderstorm in the late afternoon and evening. Light winds becoming northerly 15 to 20 km/h in the early afternoon then becoming light in the evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Variable about 10 knots becoming north to northeasterly 10 to 15 knots in the middle of the day then becoming variable about 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm inshore in the afternoon.
Weather Situation
A ridge over the Gulf of Carpentaria is weakening with winds becoming more northerly as a broad trough moves north over the central Australia.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Island Temperature Statistics View More

December Temperature

Centre Island (16km)

  • Lowest 6 December, 2025

    26.9 °C

  • Average December

    30.7 °C

  • Highest 3 December, 2025

    36.8 °C

Climate (2020–Present)

Centre Island (16km)

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  • Average Low 2020–2025

    24.5 °C

  • Average 2020–2025

    27.4 °C

  • Average High 2020–2025

    31.6 °C
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