Dianas Beach Weather Forecast

    • 7
    • 16

    Cloudy

    • 8
    • 15

    Showers

    • 8
    • 14

    Shower or two

    • 7
    • 14

    Shower or two

    • 4
    • 12

    Showers

    • 3
    • 13

    Partly cloudy

    • 5
    • 17

    Partly cloudy

Today 25 Aug St Helens

Cloudy. Medium chance of showers. Light winds.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
East to southeasterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming northerly 15 to 20 knots in the evening.
Seas
Around 1 metre, decreasing below 0.5 metres around midday, then increasing to around 1 metre by early evening.
1st Swell
Northeasterly 1.5 metres, tending easterly 1.5 to 2.5 metres during the morning, then tending northeasterly 2 to 2.5 metres around midday.
Weather
Cloudy. 60% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

August Temperature

St Helens Aerodrome (5km)

  • Lowest 7 August, 2025

    1.5 °C

  • Average August

    9.7 °C

  • Highest 14 August, 2025

    17.3 °C

Climate (2020–Present)

St Helens Aerodrome (5km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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