Grasstree Beach Weather Forecast

    • 12
    • 27

    Sunny

    • 13
    • 26

    Shower

    • 17
    • 25

    Shower

    • 17
    • 26

    Shower

    • 16
    • 24

    Shower

    • 17
    • 25

    Shower

    • 16
    • 26

    Shower

Today 21 Sep Central Coast and Whitsundays

The chance of fog early this morning. Sunny afternoon. Light winds becoming east to northeasterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures 26 to 33.

Mackay Costal Waters

Bowen to St Lawrence
Wind
East to northeasterly about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Easterly below 1 metre.
Weather
Sunny.
Weather Situation
A weak ridge extends over the southern Queensland waters from a high [1023 hPa] in the Coral Sea. The ridge will strengthen from Tuesday as a new high pressure system moves from Bass Strait out over the Tasman Sea.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grasstree Beach Temperature Statistics View More

September Temperature

Mackay Airport (25km)

  • Lowest 20 September, 2026

    10.9 °C

  • Average September

    20 °C

  • Highest 7 September, 2026

    27.8 °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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