South Island Weather Forecast

    • 24
    • 24

    Partly cloudy

    • 20
    • 24

    Sunny

    • 19
    • 23

    Sunny

    • 21
    • 23

    Sunny

    • 21
    • 23

    Sunny

    • 22
    • 23

    Partly cloudy

    • 22
    • 23

    Partly cloudy

Today 19 May Capricornia

Partly cloudy. The chance of morning fog. Medium chance of showers in the southwest, slight chance elsewhere. Light winds becoming west to southwesterly 15 to 20 km/h in the middle of the day then tending south to southwesterly in the late afternoon. Overnight temperatures falling to between 15 and 19 with daytime temperatures reaching 24 to 29.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Easterly 1 to 1.5 metres offshore, decreasing to around 1 metre during the afternoon.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Island Temperature Statistics View More

May Temperature

Middle Percy Island (12km)

  • Lowest 9 May, 2026

    18.2 °C

  • Average May

    21.8 °C

  • Highest 4 May, 2026

    25.2 °C

Climate (2021–Present)

Middle Percy Island (12km)

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  • Average Low 2021–2026

    20.7 °C

  • Average 2021–2026

    22.6 °C

  • Average High 2021–2026

    25.5 °C
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