Dianas Beach Weather Forecast

    • 11
    • 21

    Partly cloudy

    • 10
    • 18

    Showers increasing

    • 7
    • 14

    Showers easing

    • 6
    • 16

    Partly cloudy

    • 6
    • 20

    Sunny

    • 7
    • 19

    Mostly sunny

    • 7
    • 17

    Mostly sunny

Today 5 May St Helens

Partly cloudy. Slight chance of a shower. Light winds.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northwesterly 10 to 15 knots shifting south to southwesterly during the morning then becoming variable about 10 knots in the late evening.
Seas
Around 1 metre.
1st Swell
Northeasterly 1.5 to 2 metres.
Weather
Mostly sunny.
Weather Situation
A low pressure centre north of Tasmania will pass to the east this morning, followed by a narrow ridge to extend over the state. A cold front is forecast to cross Tasmania on Wednesday evening. In its wake, a cold southwesterly stream will prevail on Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach Temperature Statistics View More

May Temperature

St Helens Aerodrome (5km)

  • Lowest 3 May, 2026

    11.3 °C

  • Average May

    16.2 °C

  • Highest 1 May, 2026

    24.9 °C

Climate (2021–Present)

St Helens Aerodrome (5km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
Get WillyWeather+ to remove ads