Cassim Island Weather Forecast

    • 22
    • 32

    Shower or two. Possible storm

    • 21
    • 27

    Shower or two

    • 19
    • 25

    Possible shower

    • 18
    • 25

    Possible shower

    • 17
    • 26

    Partly cloudy

    • 17
    • 27

    Partly cloudy

    • 18
    • 29

    Sunny

Today 25 Dec Brisbane

Partly cloudy. Medium chance of showers, most likely in the late morning and afternoon. The chance of a thunderstorm from late this morning, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds west to northwesterly 15 to 20 km/h shifting southeasterly 15 to 25 km/h in the evening.

Moreton Bay

Wind
Northwesterly below 10 knots tending north to northeasterly 10 to 15 knots in the morning then shifting southeasterly 15 to 20 knots in the early afternoon.
Seas
Below 0.5 metres, increasing to around 1 metre during the afternoon.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm from late this morning.
Weather Situation
A ridge extends over the south Queensland waters. A trough will move north across the southeast waters today and continue north of the Sunshine Coast on Friday, leaving the south Queensland waters late on Friday. A ridge will extend across the south Queensland waters in the wake of the trough, as a high approaches and crosses Tasmania.
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  • Temperature Forecast Bureau of Meteorology

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Cassim Island Temperature Statistics View More

December Temperature

Brisbane Airport (22km)

  • Lowest 3 December, 2025

    15.8 °C

  • Average December

    24.7 °C

  • Highest 15 December, 2025

    31.5 °C

Climate (2020–Present)

Brisbane Airport (22km)

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  • Average Low 2020–2025

    16.3 °C

  • Average 2020–2025

    20.7 °C

  • Average High 2020–2025

    25.6 °C
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