Dianas Beach Weather Forecast

    • 13
    • 20

    Cloudy

    • 13
    • 22

    Cloudy

    • 15
    • 21

    Possible shower

    • 13
    • 22

    Partly cloudy

    • 13
    • 26

    Mostly sunny

    • 14
    • 29

    Partly cloudy

    • 16
    • 25

    Partly cloudy

Today 2 Jan St Helens

Cloudy. Light winds becoming northeasterly 15 to 25 km/h in the middle of the day then tending northerly 15 to 20 km/h in the evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
South to southeasterly below 10 knots becoming northeasterly in the morning then increasing to 10 to 15 knots in the early afternoon. Winds reaching up to 20 knots inshore in the late evening.
Seas
Around 1 metre.
1st Swell
Easterly 1 to 1.5 metres, tending southeasterly around 1 metre around midday.
Weather
Cloudy.
Weather Situation
A ridge of high pressure will persist over today until a low pressure trough is expected to cross the state on Saturday, lingering off the east coast on Sunday. Come Monday a new ridge of high pressure will begin to extend from the northwest.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

January Temperature

St Helens Aerodrome (5km)

  • Lowest 1 January, 2026

    10.2 °C

  • Average January

    14.2 °C

  • Highest

    –

Climate (2021–Present)

St Helens Aerodrome (5km)

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  • Average Low 2021–2025

    9.3 °C

  • Average 2021–2025

    13.3 °C

  • Average High 2021–2025

    18.2 °C
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