Dianas Beach Weather Forecast

    • 9
    • 17

    Mostly clear

    • 9
    • 18

    Shower or two

    • 12
    • 20

    Shower or two

    • 14
    • 24

    Showers

    • 9
    • 19

    Partly cloudy

    • 10
    • 22

    Shower or two

    • 13
    • 20

    Showers

Today 4 Apr St Helens

Mostly clear. Winds southeasterly 15 to 20 km/h becoming light in the late afternoon.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
South to southeasterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure system over Tasmania will move out to the east on Sunday, with a north to northeasterly stream to develop. A cold front is expected to approach and cross Tasmania late Monday and early Tuesday morning, with another ridge of high pressure to extend over the state on Tuesday evening and the high centre to move to the north of Tasmania during Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

April Temperature

St Helens Aerodrome (5km)

  • Lowest 1 April, 2026

    11.1 °C

  • Average April

    16.8 °C

  • Highest 1 April, 2026

    26 °C

Climate (2021–Present)

St Helens Aerodrome (5km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.3 °C

  • Average High 2021–2026

    18.2 °C
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