Harney Island Weather Forecast

    • 18
    • 27

    Cloudy

    • 15
    • 28

    Sunny

    • 14
    • 29

    Sunny

    • 14
    • 29

    Sunny

    • 14
    • 30

    Partly cloudy

    • 14
    • 30

    Sunny

    • 15
    • 30

    Partly cloudy

Today 3 Aug Kakadu National Park

Partly cloudy. Winds east to southeasterly 20 to 30 km/h.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
East to southeasterly 10 to 15 knots, reaching up to 20 knots east of Groote Eylandt during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Easterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore north of Numbulwar during the afternoon.
Weather
Cloud clearing.
Weather Situation
A high will move across the Great Australian Bight until Tuesday, maintaining east to southeasterly winds over coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Harney Island Temperature Statistics View More

August Temperature

Centre Island (10km)

  • Lowest 2 August, 2026

    18.8 °C

  • Average August

    21.6 °C

  • Highest 1 August, 2026

    25.9 °C

Climate (2021–2026)

Centre Island (10km)

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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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