Diamond Island Weather Forecast

    • 11
    • 21

    Partly cloudy

    • 14
    • 23

    Possible shower

    • 16
    • 21

    Possible shower

    • 15
    • 19

    Possible shower

    • 8
    • 16

    Partly cloudy

    • 9
    • 19

    Mostly sunny

    • 9
    • 19

    Partly cloudy

Today 4 May East Coast

Partly cloudy. Winds north to northwesterly 25 to 40 km/h.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
North to northwesterly 15 to 20 knots, reaching up to 30 knots offshore in the evening.
Seas
1.5 to 2 metres.
1st Swell
Southerly below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system over the Tasman Sea is directing a northwesterly stream across the state. Northwesterly winds strengthen today, and become strong late Monday as a cold front brushes by the south of the state in the evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Diamond Island Temperature Statistics View More

May Temperature

Bicheno (Council Depot) (2km)

  • Lowest 2 May, 2025

    6.2 °C

  • Average May

    11 °C

  • Highest 1 May, 2025

    15.2 °C

Climate (2020–Present)

Bicheno (Council Depot) (2km)

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  • Average Low 2020–2025

    10.3 °C

  • Average 2020–2025

    14.1 °C

  • Average High 2020–2025

    17.9 °C
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