Observation Island Weather Forecast

    • 24
    • 27

    Partly cloudy

    • 24
    • 27

    Partly cloudy

    • 25
    • 27

    Shower

    • 25
    • 27

    Shower

    • 25
    • 27

    Partly cloudy

    • 24
    • 27

    Partly cloudy

    • 24
    • 27

    Partly cloudy

Today 27 Sep Kakadu National Park

Partly cloudy. Slight chance of a shower. Light winds becoming easterly 15 to 25 km/h in the morning then becoming light in the late evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
East to southeasterly 15 to 20 knots decreasing to below 10 knots in the late evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
East to northeasterly around 1 metre.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

September Temperature

Centre Island (17km)

  • Lowest 2 September, 2026

    21.6 °C

  • Average September

    25.9 °C

  • Highest 8 September, 2026

    33.8 °C

Climate (2021–2026)

Centre Island (17km)

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  • Average Low 2021–2026

    24.5 °C

  • Average 2021–2026

    27.4 °C

  • Average High 2021–2026

    31.5 °C
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