Slain Island Weather Forecast

    • 19
    • 31

    Mostly sunny

    • 23
    • 31

    Shower or two

    • 23
    • 32

    Showers. Storm developing

    • 21
    • 28

    Showers. Storm

    • 21
    • 30

    Showers. Storm

    • 21
    • 28

    Shower or two. Possible storm

    • 21
    • 27

    Possible shower

Today 21 Dec Maryborough

Mostly sunny. Light winds becoming northerly 15 to 20 km/h in the middle of the day then becoming light in the evening.

Hervey Bay Waters

Wind
Northerly about 10 knots increasing to 15 to 20 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
North to northeasterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A weak high [1014 hPa] northwest of New Zealand extends a ridge over south Queensland waters, A trough will approach from the west during Tuesday.
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Slain Island Temperature Statistics View More

December Temperature

Maryborough (19km)

  • Lowest 3 December, 2025

    14.5 °C

  • Average December

    24 °C

  • Highest 15 December, 2025

    33.6 °C

Climate (2020–Present)

Maryborough (19km)

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  • Average Low 2020–2025

    15.6 °C

  • Average 2020–2025

    20.6 °C

  • Average High 2020–2025

    27.5 °C
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