Dianas Beach Weather Forecast

    • 11
    • 16

    Showers increasing

    • 12
    • 17

    Rain

    • 12
    • 18

    Shower or two

    • 11
    • 17

    Possible shower

    • 10
    • 17

    Possible shower

    • 7
    • 15

    Mostly sunny

    • 5
    • 14

    Possible shower

Today 26 May St Helens

Cloudy. Very high chance of showers, most likely in the late afternoon and evening. Winds southerly 20 to 30 km/h.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots inshore during the morning.
Seas
1 to 1.5 metres.
1st Swell
Northeasterly 1.5 to 2 metres, tending northeast to southeasterly 2 to 3 metres by early evening.
Weather
Cloudy. 90% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

May Temperature

St Helens Aerodrome (5km)

  • Lowest 21 May, 2026

    4.4 °C

  • Average May

    13.2 °C

  • Highest 1 May, 2026

    24.9 °C

Climate (2021–Present)

St Helens Aerodrome (5km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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