Dianas Basin Weather Forecast

    • 12
    • 17

    Shower or two

    • 12
    • 17

    Shower or two

    • 12
    • 20

    Showers

    • 12
    • 20

    Shower or two

    • 9
    • 18

    Partly cloudy

    • 6
    • 19

    Partly cloudy

    • 8
    • 20

    Possible shower

Today 23 Nov St Helens

Cloudy. Medium chance of showers. Winds east to southeasterly 15 to 25 km/h.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Northeasterly 10 to 15 knots turning easterly in the early morning. Winds reaching up to 20 knots offshore during the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres offshore.
1st Swell
Southerly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
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 °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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