Observation Island Weather Forecast

    • 19
    • 23

    Sunny

    • 19
    • 23

    Sunny

    • 21
    • 24

    Partly cloudy

    • 22
    • 25

    Sunny

    • 22
    • 25

    Partly cloudy

    • 23
    • 26

    Partly cloudy

    • 23
    • 26

    Sunny

Today 6 Jun Kakadu National Park

Sunny. Light winds becoming southeasterly 15 to 25 km/h in the morning then becoming light in the evening.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots offshore south of Numbulwar.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres offshore.
1st Swell
East to southeasterly below 1 metre.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Observation Island Temperature Statistics View More

June Temperature

Centre Island (17km)

  • Lowest 1 June, 2026

    19.7 °C

  • Average June

    23.5 °C

  • Highest 4 June, 2026

    29.7 °C

Climate (2021–Present)

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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