Weeroona Island Weather Forecast

    • 10
    • 21

    Clear

    • 5
    • 24

    Sunny

    • 7
    • 29

    Mostly sunny

    • 10
    • 34

    Mostly sunny

    • 12
    • 33

    Partly cloudy

    • 15
    • 33

    Partly cloudy

    • 16
    • 33

    Mostly sunny

Today 21 Sep Mid North

Clear. Winds east to southeasterly 15 to 20 km/h.

Spencer Gulf Coastal Waters

Wind
Southeasterly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Mostly clear.
Weather Situation
A high pressure system centred to the southeast will continue to move eastwards over Victoria and over the Tasman Sea on Tuesday. This high will continue to extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Weeroona Island Temperature Statistics View More

September Temperature

Whyalla Airport (48km)

  • Lowest 11 September, 2026

    3.4 °C

  • Average September

    15.3 °C

  • Highest 20 September, 2026

    32.9 °C

Climate (2021–2026)

Whyalla Airport (48km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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