Dianas Beach Weather Forecast

    • 12
    • 27

    Shower or two. Possible storm

    • 14
    • 19

    Partly cloudy

    • 12
    • 19

    Cloudy

    • 12
    • 20

    Cloudy

    • 14
    • 21

    Partly cloudy

    • 16
    • 21

    Shower or two

    • 17
    • 25

    Shower or two

Today 24 Feb St Helens

Partly cloudy. High chance of showers, becoming less likely at night. The chance of a thunderstorm in the afternoon and evening. Winds north to northwesterly 15 to 20 km/h shifting southerly in the late evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northerly 15 to 20 knots shifting south to southeasterly in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore during the afternoon.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Weather Situation
A trough is forecast to extend over the northeast of the state from the mainland today, as a cold front clips the south of the state. Another high pressure ridge is expected to extend over Tasmania from the west on Wednesday, with the high centre forecast to move over the state on Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

February Temperature

St Helens Aerodrome (5km)

  • Lowest 13 February, 2026

    8.3 °C

  • Average February

    17.6 °C

  • Highest 4 February, 2026

    29.4 °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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