Dianas Beach Weather Forecast

    • 13
    • 20

    Showers easing

    • 13
    • 20

    Possible shower

    • 12
    • 19

    Shower or two

    • 9
    • 19

    Partly cloudy

    • 7
    • 18

    Partly cloudy

    • 6
    • 18

    Sunny

    • 6
    • 17

    Partly cloudy

Today 16 May St Helens

Partly cloudy. High chance of showers, most likely in the morning. Light winds becoming northerly 15 to 25 km/h in the morning then becoming light in the late evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northerly 15 to 20 knots.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore during the morning.
1st Swell
Northeasterly around 1 metre, increasing to 1 to 1.5 metres around midday.
Weather
Partly cloudy. 80% 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 8 May, 2026

    6.1 °C

  • Average May

    13.5 °C

  • Highest 1 May, 2026

    24.9 °C

Climate (2021–Present)

St Helens Aerodrome (5km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
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