Dianas Beach Weather Forecast

    • 12
    • 17

    Shower or two

    • 12
    • 17

    Shower or two

    • 12
    • 20

    Showers

    • 12
    • 19

    Shower or two

    • 10
    • 18

    Partly cloudy

    • 6
    • 19

    Partly cloudy

    • 8
    • 20

    Partly cloudy

Today 23 Nov St Helens

Cloudy. Medium chance of showers. Winds easterly 20 to 25 km/h tending southeasterly in the evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Easterly 10 to 15 knots, 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
Partly cloudy.
Weather Situation
A high pressure centre is moving slowly to the south during the day, shifting the flow easterly. A trough over Victoria is forecast to extend south into Bass Strait today before the high centre is expected to move away to the southeast, shifting the flow northeasterly ahead of an approaching trough to the northwest of the state on Monday. The trough is expected to move over the state on Tuesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Beach 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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