Arnjiya Beach Weather Forecast

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Today 3 Jan Kakadu National Park

Partly cloudy. High chance of showers, becoming less likely this evening. A thunderstorm likely during this afternoon and evening. Light winds becoming northwesterly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon.

Roper Groote Coast

Cape Arnhem to QLD-NT Border
Wind
Northwesterly 10 to 15 knots, reaching up to 20 knots northeast of Groote Eylandt during the morning and early afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore north of Numbulwar.
1st Swell
Northwest to northeasterly below 1 metre.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
Weather Situation
A trough through the Gregory and Carpentaria Districts directs moderate west to northwesterly winds over the coastal waters. Winds will begin easing as the trough moves north during the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Arnjiya Beach Temperature Statistics View More

January Temperature

Groote Eylandt Airport (29km)

  • Lowest 2 January, 2026

    26.6 °C

  • Average January

    29.2 °C

  • Highest 1 January, 2026

    34.1 °C

Climate (2021–Present)

Groote Eylandt Airport (29km)

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  • Average Low 2021–2026

    21.7 °C

  • Average 2021–2026

    26.5 °C

  • Average High 2021–2026

    32.3 °C
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