Diamond Island Weather Forecast

    • 8
    • 12

    Partly cloudy

    • 6
    • 12

    Possible shower

    • 6
    • 13

    Cloudy

    • 5
    • 15

    Possible shower developing

    • 6
    • 12

    Shower or two

    • 7
    • 13

    Possible shower

    • 5
    • 14

    Mostly sunny

Today 4 Jul East Coast

Partly cloudy. Slight chance of a shower. Winds westerly 25 to 35 km/h turning southwesterly 25 to 40 km/h in the early afternoon. Overnight temperatures falling to between 1 and 6 with daytime temperatures reaching between 7 and 11.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Westerly 20 to 30 knots turning southwesterly in the middle of the day.
Seas
2 to 3 metres.
1st Swell
Southwesterly 1 to 2 metres, increasing to 2 to 3 metres during the morning, then tending south to southwesterly 2 to 4 metres by early evening.
Weather
Cloudy. 60% chance of showers, with possible small hail offshore.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Diamond Island Temperature Statistics View More

July Temperature

Bicheno (Council Depot) (2km)

  • Lowest 3 July, 2026

    6 °C

  • Average July

    11.2 °C

  • Highest 2 July, 2026

    17 °C

Climate (2021–2026)

Bicheno (Council Depot) (2km)

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  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    14.3 °C

  • Average High 2021–2026

    18.2 °C
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