Dianas Basin Weather Forecast

    • 12
    • 20

    Shower or two

    • 10
    • 18

    Becoming windy. Mostly sunny

    • 8
    • 20

    Partly cloudy

    • 11
    • 17

    Shower or two

    • 9
    • 17

    Shower or two

    • 8
    • 18

    Shower or two

    • 7
    • 17

    Shower or two

Today 26 Nov St Helens

Partly cloudy. Medium chance of showers, most likely in the morning and early afternoon. Winds west to northwesterly 20 to 30 km/h.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northwesterly 20 to 30 knots decreasing to 15 to 25 knots in the morning then increasing to 20 to 30 knots in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
Easterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning.
Weather
Partly cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Basin Temperature Statistics View More

November Temperature

St Helens Aerodrome (5km)

  • Lowest 21 November, 2025

    4.8 °C

  • Average November

    13.2 °C

  • Highest 10 November, 2025

    21.3 °C

Climate (2020–Present)

St Helens Aerodrome (5km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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