Grassy Island Weather Forecast

    • 24
    • 32

    Partly cloudy

    • 24
    • 32

    Partly cloudy

    • 24
    • 32

    Shower

    • 24
    • 33

    Sunny

    • 24
    • 33

    Partly cloudy

    • 24
    • 33

    Partly cloudy

    • 24
    • 33

    Shower

Today 10 Dec Central Coast and Whitsundays

Mostly sunny. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Winds southeasterly 15 to 20 km/h turning easterly 20 to 30 km/h in the morning. Daytime maximum temperatures 30 to 36.

Mackay Costal Waters

Bowen to St Lawrence
Wind
East to southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore during the afternoon.
1st Swell
Easterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A high over the South Pacific Ocean extends a ridge over northern Queensland waters. The ridge will be maintained as a new high over the Bight moves eastwards during the next few days.
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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

    25.7 °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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