Dianas Beach Weather Forecast

    • 11
    • 22

    Sunny

    • 9
    • 21

    Partly cloudy

    • 9
    • 18

    Mostly sunny

    • 12
    • 22

    Partly cloudy

    • 13
    • 23

    Mostly sunny

    • 11
    • 23

    Possible shower

    • 11
    • 22

    Shower or two

Today 27 Apr St Helens

Sunny. Light winds becoming northwesterly 15 to 20 km/h in the late afternoon then becoming light in the evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
West to northwesterly 10 to 15 knots tending southeast to southwesterly in the early morning then tending northwest to northeasterly in the early afternoon. Winds reaching up to 20 knots offshore early in the morning and again in the evening.
Seas
1 to 1.5 metres, decreasing below 1 metre during the morning, then increasing to 1 to 1.5 metres later in the evening.
1st Swell
Southerly around 1 metre.
Weather
Sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

April Temperature

St Helens Aerodrome (5km)

  • Lowest 19 April, 2026

    4.3 °C

  • Average April

    14 °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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