Alnwick Island Weather Forecast

    • 21
    • 21

    Clear

    • 21
    • 22

    Partly cloudy

    • 21
    • 22

    Partly cloudy

    • 19
    • 21

    Partly cloudy

    • 17
    • 20

    Partly cloudy

    • 18
    • 21

    Sunny

    • 19
    • 21

    Partly cloudy

Today 12 Jul Capricornia

Clear. Light winds.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Variable about 10 knots.
Seas
Below 0.5 metres.
1st Swell
Easterly below 1 metre.
Weather
Clear.
Weather Situation
A weak ridge of high pressure over the northern Queensland waters will persist for the next several days. The ridge will strengthen from Wednesday as a high shifts east across southern Australia and intensifies.
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  • Temperature Forecast Bureau of Meteorology

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Alnwick Island Temperature Statistics View More

July Temperature

Middle Percy Island (40km)

  • Lowest 9 July, 2026

    15.7 °C

  • Average July

    19 °C

  • Highest 2 July, 2026

    24.2 °C

Climate (2021–2026)

Middle Percy Island (40km)

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  • Average Low 2021–2026

    20.7 °C

  • Average 2021–2026

    22.7 °C

  • Average High 2021–2026

    25.5 °C
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