Diamond Island Weather Forecast

    • 12
    • 17

    Partly cloudy

    • 9
    • 17

    Mostly sunny

    • 10
    • 18

    Possible shower

    • 13
    • 20

    Shower or two

    • 15
    • 21

    Shower or two

    • 11
    • 18

    Partly cloudy

    • 13
    • 22

    Shower or two

Today 3 Apr East Coast

Partly cloudy. Slight chance of a shower in the early morning. Winds west to northwesterly 15 to 25 km/h tending west to southwesterly 20 to 30 km/h early in the morning. Overnight temperatures falling to between 5 and 11 with daytime temperatures reaching between 13 and 18.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
West to northwesterly 15 to 20 knots turning southwesterly before dawn. Winds reaching up to 30 knots offshore during the morning.
Seas
1.5 to 2.5 metres, decreasing to 1 metre during the afternoon.
1st Swell
Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore around midday.
Weather
Partly cloudy.
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 1 April, 2026

    14.5 °C

  • Average April

    18.5 °C

  • Highest

    –

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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