Diamond Island Weather Forecast

    • 15
    • 21

    Partly cloudy

    • 16
    • 29

    Showers increasing

    • 12
    • 21

    Mostly sunny

    • 12
    • 25

    Possible shower

    • 14
    • 18

    Cloudy

    • 11
    • 18

    Cloudy

    • 12
    • 20

    Partly cloudy

Today 21 Feb East Coast

Mostly sunny. Winds east to northeasterly 15 to 25 km/h tending north to northeasterly 20 to 30 km/h in the evening. Daytime maximum temperatures 21 to 26.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
South to southeasterly 10 to 15 knots shifting northeasterly 15 to 20 knots in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Mostly sunny.
Weather Situation
A weak cold front is clearing to the east of the state early this morning, as a high pressure system is expected to quickly move over the state during today. A strong cold front approaches from the west on Sunday, expected to cross Tasmania during Sunday afternoon followed by another high pressure system to move over from the west on Monday. The high is expected to move over the Tasman Sea on Tuesday as a trough and associated cold front approach the west of Tasmania.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Diamond Island Temperature Statistics View More

February Temperature

Bicheno (Council Depot) (2km)

  • Lowest 3 February, 2026

    9.5 °C

  • Average February

    17.3 °C

  • Highest 4 February, 2026

    29.5 °C

Climate (2021–Present)

Bicheno (Council Depot) (2km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    10.4 °C

  • Average 2021–2026

    14.2 °C

  • Average High 2021–2026

    18.1 °C
Get WillyWeather+ to remove ads