Grassy Island Weather Forecast

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    Clear

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    • 32

    Sunny

    • 23
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    Partly cloudy

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    • 33

    Partly cloudy

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    Shower

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    Shower

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    Shower

Today 13 Dec Central Coast and Whitsundays

Clear. Winds east to northeasterly 15 to 25 km/h.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Easterly about 10 knots increasing to 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
Easterly below 1 metre.
Weather
Clear.
Weather Situation
A high [1023 hPa] centred in the Tasman Sea extends a weak ridge over northern Queensland waters. The ridge will be maintained over coming days as the high moves eastwards and is replaced by another high moving from the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grassy Island Temperature Statistics View More

December Temperature

Proserpine Airport (39km)

  • Lowest 8 December, 2025

    17.3 °C

  • Average December

    25.9 °C

  • Highest 2 December, 2025

    34.2 °C

Climate (2020–Present)

Proserpine Airport (39km)

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  • Average Low 2020–2025

    18.1 °C

  • Average 2020–2025

    22.9 °C

  • Average High 2020–2025

    29.2 °C
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