Dianas Beach Weather Forecast

    • 10
    • 19

    Cloudy

    • 13
    • 21

    Partly cloudy

    • 12
    • 23

    Mostly sunny

    • 12
    • 24

    Mostly sunny

    • 14
    • 23

    Partly cloudy

    • 11
    • 22

    Mostly sunny

    • 8
    • 21

    Partly cloudy

Today 21 Apr St Helens

Cloudy. Slight chance of a shower, most likely in the evening. Light winds.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
East to northeasterly below 10 knots increasing to 10 to 15 knots in the early morning.
Seas
Below 1 metre.
1st Swell
Southeasterly 1 to 1.5 metres.
Weather
Cloudy.
Graph Plots Open in Graphs

  • 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

    13.4 °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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