Dianas Beach Weather Forecast

    • 8
    • 19

    Partly cloudy

    • 13
    • 20

    Shower or two

    • 9
    • 19

    Partly cloudy

    • 12
    • 20

    Showers easing

    • 7
    • 18

    Shower or two

    • 6
    • 16

    Partly cloudy

    • 7
    • 17

    Partly cloudy

Today 9 Oct St Helens

Partly cloudy. Winds northerly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northerly 20 to 30 knots.
Seas
1.5 to 2.5 metres.
1st Swell
South to southeasterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy.
Weather Situation
A northerly flow over Tasmania tonight as a weakening cold front approaches from the west, forecast to cross the state early Saturday, with a westerly flow to in its wake. The airstream shifts northwesterly on Sunday ahead of further cold fronts moving over Tasmania Monday morning and on Tuesday, with a cold southerly airstream to follow.
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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

    12.8 °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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