Diamond Island Weather Forecast

    • 10
    • 20

    Mostly clear

    • 12
    • 21

    Partly cloudy

    • 12
    • 25

    Sunny

    • 15
    • 26

    Partly cloudy

    • 13
    • 23

    Mostly sunny

    • 13
    • 18

    Partly cloudy

    • 9
    • 17

    Partly cloudy

Today 29 Mar East Coast

Partly cloudy. Winds northwest to southwesterly 15 to 20 km/h becoming light in the evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northwest to northeasterly 10 to 15 knots becoming variable about 10 knots in the late evening.
Seas
Below 1 metre.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A ridge of high pressure will linger over Tasmania this evening before moving out to the Tasman Sea by late Monday. A northwesterly airstream will develop over the state on Tuesday as a low-pressure system and associated cold front approach from the west, with the front forecast to cross on Wednesday. A second, stronger cold front is then forecast to cross late Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Diamond Island Temperature Statistics View More

March Temperature

Bicheno (Council Depot) (2km)

  • Lowest 13 March, 2026

    10 °C

  • Average March

    16.8 °C

  • Highest 5 March, 2026

    28 °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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