Dianas Beach Weather Forecast

    • 6
    • 16

    Cloudy

    • 9
    • 19

    Cloudy

    • 10
    • 21

    Partly cloudy

    • 10
    • 21

    Sunny

    • 11
    • 23

    Cloud clearing

    • 12
    • 25

    Partly cloudy

    • 13
    • 25

    Partly cloudy

Today 15 Oct St Helens

Partly cloudy. Light winds.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southerly 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A ridge extends over Tasmania, as a high pressure system moves to the south this evening. The high is expected to move over the Tasman Sea and remain near stationary through the weekend. A northwesterly flow is forecast to develop over the state on Monday, as a cold front approaches from the west.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

October Temperature

St Helens Aerodrome (5 km)

  • Lowest 7 October, 2026

    5.7 °C

  • Average October

    13.3 °C

  • Highest 1 October, 2026

    22.4 °C

Climate (2021–2026)

St Helens Aerodrome (5 km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.4 °C
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