Dianas Beach Weather Forecast

    • 12
    • 23

    Rain increasing

    • 13
    • 20

    Shower or two

    • 10
    • 20

    Mostly sunny

    • 8
    • 19

    Showers increasing

    • 8
    • 15

    Shower or two

    • 6
    • 16

    Partly cloudy

    • 7
    • 17

    Partly cloudy

Today 3 May St Helens

Partly cloudy. Very high chance of rain, most likely during this afternoon and evening. Light winds becoming northerly 15 to 20 km/h in the middle of the day then becoming light in the late evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northerly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
Northeasterly 1.5 to 2.5 metres.
Weather
Partly cloudy. 90% chance of rain.
Weather Situation
A cold front will cross Tasmania on Sunday, with an associated low to pass to the north during Monday. A narrow ridge is expected to extend over western Tasmania during Tuesday, ahead of another cold front to cross western Tasmania late Wednesday.
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 2 May, 2026

    12.1 °C

  • Average May

    16.5 °C

  • Highest 1 May, 2026

    24.9 °C

Climate (2021–Present)

St Helens Aerodrome (5km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.2 °C
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