Grasstree Beach Weather Forecast

    • 14
    • 25

    Partly cloudy

    • 15
    • 24

    Shower

    • 15
    • 24

    Shower

    • 15
    • 24

    Shower

    • 15
    • 24

    Shower

    • 14
    • 25

    Partly cloudy

    • 13
    • 26

    Partly cloudy

Today 28 Aug Central Coast and Whitsundays

Mostly sunny. The chance of fog in the early morning. Slight chance of a shower along the coastal fringe, near zero chance elsewhere. Light winds becoming east to southeasterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 11 and 15 with daytime temperatures reaching 24 to 29.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Easterly 10 to 15 knots turning southeasterly 15 to 20 knots early in the morning. Winds reaching up to 25 knots offshore north of Hamilton Island in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore around midday.
1st Swell
Easterly below 1 metre.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grasstree Beach Temperature Statistics View More

August Temperature

Mackay Airport (25km)

  • Lowest 14 August, 2026

    8.7 °C

  • Average August

    18.7 °C

  • Highest 10 August, 2026

    27.9 °C

Climate (2021–2026)

Mackay Airport (25km)

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  • Average Low 2021–2026

    18.7 °C

  • Average 2021–2026

    23.1 °C

  • Average High 2021–2026

    27.9 °C
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