South Island Weather Forecast

    • 26
    • 27

    Shower

    • 25
    • 27

    Shower

    • 26
    • 28

    Shower

    • 27
    • 28

    Partly cloudy

    • 27
    • 28

    Sunny

    • 27
    • 28

    Shower

    • 27
    • 28

    Shower

Today 17 Dec Capricornia

Partly cloudy. Medium chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm. Winds east to southeasterly 25 to 35 km/h. Overnight temperatures falling to between 19 and 23 with daytime temperatures reaching around 30.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Easterly 15 to 25 knots.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres during the afternoon.
1st Swell
Easterly below 1 metre.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the late afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Island Temperature Statistics View More

December Temperature

Middle Percy Island (12km)

  • Lowest 12 December, 2025

    21.1 °C

  • Average December

    25.7 °C

  • Highest 9 December, 2025

    30.2 °C

Climate (2020–Present)

Middle Percy Island (12km)

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  • Average Low 2020–2025

    20.7 °C

  • Average 2020–2025

    22.6 °C

  • Average High 2020–2025

    25.4 °C
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