Observation Island Weather Forecast

    • 24
    • 27

    Sunny

    • 24
    • 26

    Shower

    • 25
    • 27

    Shower

    • 25
    • 27

    Partly cloudy

    • 25
    • 27

    Shower

    • 25
    • 27

    Shower

    • 25
    • 27

    Partly cloudy

Today 24 Sep Kakadu National Park

Mostly sunny. Light winds becoming east to 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
South to southeasterly about 10 knots tending east to southeasterly 10 to 15 knots in the early morning then decreasing to about 10 knots in the late evening. Winds reaching up to 20 knots northeast of Groote Eylandt during the morning.
Seas
Around 1 metre.
1st Swell
East to northeasterly below 1 metre.
Weather
Sunny.
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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

    25.8 °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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