Dianas Basin Weather Forecast

    • 6
    • 18

    Partly cloudy

    • 9
    • 22

    Partly cloudy

    • 8
    • 23

    Sunny

    • 11
    • 22

    Mostly sunny

    • 12
    • 21

    Showers

    • 13
    • 19

    Shower or two

    • 11
    • 19

    Possible shower

Today 27 Oct St Helens

Partly cloudy. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then shifting west to northwesterly 15 to 25 km/h in the late afternoon.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
West to southwesterly 15 to 20 knots tending northwest to northeasterly 10 to 15 knots in the middle of the day then tending westerly 15 to 20 knots in the evening. Winds reaching up to 25 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the morning.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Basin Temperature Statistics View More

October Temperature

St Helens Aerodrome (5 km)

  • Lowest 15 October, 2026

    5.5 °C

  • Average October

    14.7 °C

  • Highest 21 October, 2026

    29.2 °C

Climate (2021–2026)

St Helens Aerodrome (5 km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.5 °C

  • Average High 2021–2026

    18.4 °C
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