Dianas Beach Weather Forecast

    • 9
    • 15

    Rain

    • 11
    • 17

    Rain easing

    • 11
    • 18

    Showers increasing

    • 11
    • 15

    Shower or two

    • 7
    • 13

    Possible shower

    • 4
    • 13

    Mostly sunny

    • 4
    • 15

    Partly cloudy

Today 16 Jun St Helens

Cloudy. Very high chance of rain. Light winds.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northwesterly 10 to 15 knots shifting south to southeasterly below 10 knots during the afternoon and evening.
Seas
1 to 1.5 metres, decreasing to 1 metre around midday.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Cloudy. Near 100% chance of showers.
Weather Situation
A low pressure system is developing in the Bight today, forecast to slowly move east this week, bringing a warm front over the state today. The low centre will approach from the west on Thursday, crossing and dragging a cold front over the state on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

June Temperature

St Helens Aerodrome (5km)

  • Lowest 15 June, 2026

    2.9 °C

  • Average June

    10.9 °C

  • Highest 10 June, 2026

    18.4 °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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