South Island Weather Forecast

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    Shower

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Today 2 Jan Capricornia

Cloudy. High chance of rain in the north, medium chance elsewhere. Light winds becoming easterly 15 to 25 km/h in the morning then becoming light in the late evening. Overnight temperatures falling to between 19 and 22 with daytime temperatures reaching the mid to high 20s.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Easterly 15 to 20 knots, reaching up to 25 knots offshore north of Hamilton Island during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore south of Mackay during the morning.
1st Swell
Easterly below 1 metre.
Weather
Cloudy. 80% chance of rain. The chance of a thunderstorm in the afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South Island Temperature Statistics View More

January Temperature

Middle Percy Island (12km)

  • Lowest 1 January, 2026

    23.9 °C

  • Average January

    25.1 °C

  • Highest

    –

Climate (2021–Present)

Middle Percy Island (12km)

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  • Average Low 2021–2025

    20.7 °C

  • Average 2021–2025

    22.6 °C

  • Average High 2021–2025

    25.4 °C
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