Observation Island Weather Forecast

    • 19
    • 23

    Partly cloudy

    • 19
    • 23

    Sunny

    • 19
    • 23

    Partly cloudy

    • 19
    • 23

    Sunny

    • 19
    • 23

    Sunny

    • 20
    • 23

    Sunny

    • 20
    • 23

    Partly cloudy

Today 16 Jun Kakadu National Park

Mostly sunny. Winds southeasterly 15 to 25 km/h becoming light in the middle of the day.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
East to southeasterly below 1 metre.
Weather
Partly cloudy. 50% chance of showers northeast of Groote Eylandt, near zero chance elsewhere.
Weather Situation
A high pressure system over South Australia extends a ridge across the Northern Territory. This ridge will persist for the next week, bringing moderate southeasterly winds to coastal waters, becoming fresh about the Arafura and Gove Peninsula Coast later tomorrow, easing through Wednesday.
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  • Temperature Forecast Bureau of Meteorology

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Observation Island Temperature Statistics View More

June Temperature

Centre Island (17km)

  • Lowest 13 June, 2025

    17.2 °C

  • Average June

    22 °C

  • Highest 2 June, 2025

    29 °C

Climate (2020–Present)

Centre Island (17km)

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  • Average Low 2020–2025

    24.5 °C

  • Average 2020–2025

    27.4 °C

  • Average High 2020–2025

    31.7 °C
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