Diamond Island Weather Forecast

    • 13
    • 19

    Becoming windy. Partly cloudy

    • 9
    • 17

    Shower or two. Becoming windy

    • 9
    • 16

    Cloudy

    • 10
    • 17

    Partly cloudy

    • 11
    • 20

    Cloud clearing

    • 12
    • 22

    Mostly sunny

    • 14
    • 22

    Partly cloudy

Today 24 Dec East Coast

Partly cloudy. Medium chance of showers, becoming less likely this evening. Damaging winds possible in the north. Winds westerly 35 to 50 km/h decreasing to 25 to 40 km/h in the evening. Daytime maximum temperatures between 14 and 19.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
West to northwesterly 20 to 30 knots tending west to southwesterly during the morning and early afternoon.
Seas
2 to 3 metres.
1st Swell
Southerly 1 to 1.5 metres, tending southwesterly 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres around midday.
Weather
Partly cloudy.
Weather Situation
A cold front passes over Tasmania this morning. A strong west to southwesterly flow will persist behind the front, before a ridge of high pressure moves over the state on Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Diamond Island Temperature Statistics View More

December Temperature

Bicheno (Council Depot) (2km)

  • Lowest 1 December, 2025

    5.5 °C

  • Average December

    16.2 °C

  • Highest 4 December, 2025

    32 °C

Climate (2020–Present)

Bicheno (Council Depot) (2km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    14.2 °C

  • Average High 2020–2025

    18.1 °C
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