Dianas Beach Weather Forecast

    • 5
    • 14

    Partly cloudy

    • 7
    • 15

    Becoming cloudy

    • 10
    • 17

    Partly cloudy

    • 11
    • 19

    Partly cloudy

    • 6
    • 17

    Shower or two

    • 11
    • 17

    Showers

    • 5
    • 13

    Cloudy

Today 20 Sep St Helens

Partly cloudy. Slight chance of a shower. Winds northwesterly 20 to 25 km/h.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northwesterly 20 to 25 knots, reaching up to 30 knots offshore in the evening.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres offshore.
1st Swell
South to southwesterly around 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Partly cloudy.
Weather Situation
A cold front will cross Tasmania this evening, with another cold front, embedded in westerly winds, expected to approach the west later Saturday and cross the state early Sunday. A third cold front will cross Tasmania on Monday morning ahead of a ridge of high pressure to cross later in the evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

September Temperature

St Helens Aerodrome (5km)

  • Lowest 19 September, 2024

    3.8 °C

  • Average September

    11.1 °C

  • Highest 5 September, 2024

    18.2 °C

Climate (2019–Present)

St Helens Aerodrome (5km)

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  • Average Low 2019–2024

    9.2 °C

  • Average 2019–2024

    13.2 °C

  • Average High 2019–2024

    18.1 °C
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