Observation Island Weather Forecast

    • 19
    • 24

    Clear

    • 19
    • 24

    Partly cloudy

    • 21
    • 24

    Sunny

    • 21
    • 24

    Sunny

    • 20
    • 23

    Partly cloudy

    • 20
    • 23

    Sunny

    • 20
    • 23

    Sunny

Today 21 Jul Kakadu National Park

Clear. Winds southeasterly 15 to 20 km/h becoming light in the evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
East to southeasterly 10 to 15 knots.
Seas
Around 1 metre.
1st Swell
Easterly below 1 metre.
Weather
Clear.
Weather Situation
A weakening ridge of high pressure directs an east to southeasterly flow over coastal waters. Winds will ease slightly before strengthening again towards the end of the week as a new ridge builds over central Australia.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

July Temperature

Centre Island (17km)

  • Lowest 20 July, 2026

    18.2 °C

  • Average July

    23.5 °C

  • Highest 9 July, 2026

    29.5 °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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