Dianas Beach Weather Forecast

    • 3
    • 14

    Mostly sunny

    • 3
    • 13

    Partly cloudy

    • 3
    • 13

    Mostly sunny

    • 3
    • 14

    Shower or two

    • 5
    • 16

    Showers

    • 9
    • 17

    Showers easing

    • 9
    • 16

    Shower or two

Today 25 Jun St Helens

Mostly sunny. Light winds.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
West to southwesterly below 10 knots becoming north to northwesterly in the morning.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure ridge is forecast to sit over Tasmania until at least early Sunday, bringing settled weather to the state. The ridge moves over the Tasman Sea later Sunday, as a moderate northeasterly airstream is expected to pick up.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

June Temperature

St Helens Aerodrome (5km)

  • Lowest 22 June, 2026

    2.6 °C

  • Average June

    11 °C

  • Highest 10 June, 2026

    18.4 °C

Climate (2021–2026)

St Helens Aerodrome (5km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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