Penn Islet Weather Forecast

    • 27
    • 28

    Partly cloudy

    • 27
    • 28

    Partly cloudy

    • 27
    • 27

    Shower

    • 26
    • 27

    Partly cloudy

    • 27
    • 28

    Sunny

    • 27
    • 28

    Partly cloudy

    • 27
    • 28

    Partly cloudy

Today 9 Dec Central Coast and Whitsundays

Mostly sunny morning. The chance of a thunderstorm inland in the afternoon and evening. Winds northeast to southeasterly 15 to 20 km/h becoming light before dawn then becoming easterly 15 to 25 km/h in the morning. Overnight temperatures falling to between 19 and 23 with daytime temperatures reaching 30 to 35.

Mackay Costal Waters

Bowen to St Lawrence
Wind
East to southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore north of Hamilton Island around midday.
1st Swell
Easterly below 1 metre.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Penn Islet Temperature Statistics View More

December Temperature

Middle Percy Island (40km)

  • Lowest 1 December, 2025

    21.4 °C

  • Average December

    25.5 °C

  • Highest 2 December, 2025

    29.9 °C

Climate (2020–Present)

Middle Percy Island (40km)

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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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