Diamond Island Weather Forecast

    • 9
    • 21

    Mostly clear

    • 11
    • 16

    Windy. Partly cloudy

    • 10
    • 15

    Cloudy

    • 6
    • 16

    Mostly sunny

    • 9
    • 18

    Partly cloudy

    • 10
    • 18

    Cloudy

    • 11
    • 19

    Partly cloudy

Today 16 Apr East Coast

Partly cloudy. Medium chance of showers, becoming less likely in the late afternoon and evening. Winds northwesterly 25 to 35 km/h increasing to 40 km/h before turning westerly 25 to 35 km/h in the late afternoon. Daytime maximum temperatures between 15 and 21.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northwesterly 20 to 25 knots, reaching up to 30 knots offshore during the afternoon and evening. Winds turning westerly 15 to 25 knots in the evening.
Seas
2 to 3 metres.
1st Swell
Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
Gusty northwesterly winds will develop across Tasmania this morning ahead of a significant cold front, expected to cross later in the afternoon and evening. A cold and gusty south to southwesterly stream is then expected to develop and persist through Friday, with a ridge to approach and move over Tasmania on Saturday and Sunday, bringing light winds and settled weather to the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Diamond Island Temperature Statistics View More

April Temperature

Bicheno (Council Depot) (2km)

  • Lowest 4 April, 2026

    7 °C

  • Average April

    14.4 °C

  • Highest 1 April, 2026

    25.5 °C

Climate (2021–Present)

Bicheno (Council Depot) (2km)

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  • Average Low 2021–2026

    10.3 °C

  • Average 2021–2026

    14.2 °C

  • Average High 2021–2026

    18.1 °C
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