Dianas Beach Weather Forecast

    • 13
    • 22

    Partly cloudy

    • 15
    • 22

    Partly cloudy

    • 12
    • 21

    Mostly sunny

    • 12
    • 25

    Partly cloudy

    • 17
    • 24

    Shower or two

    • 16
    • 21

    Cloudy

    • 14
    • 23

    Cloudy

Today 24 Jan St Helens

Partly cloudy. Light winds becoming north to northeasterly 20 to 30 km/h in the morning then tending north to northwesterly 15 to 25 km/h in the evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northerly 15 to 25 knots, reaching up to 30 knots inshore in the evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
1st Swell
Southeasterly 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Partly cloudy.
Weather Situation
A cold front approaches the west of Tasmania during today, and is forecast to cross the state overnight into Sunday. A new high pressure system is expected to move in from the west on Sunday and move over the state on Monday to be in the Tasman Sea on Tuesday as another cold front approaches from the west.
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 12 January, 2026

    9.4 °C

  • Average January

    17 °C

  • Highest 7 January, 2026

    33.6 °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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