Weeroona Bay Weather Forecast

    • 7
    • 22

    Sunny

    • 9
    • 26

    Sunny

    • 12
    • 33

    Mostly sunny

    • 13
    • 30

    Partly cloudy

    • 15
    • 32

    Partly cloudy

    • 17
    • 32

    Partly cloudy

    • 17
    • 32

    Possible shower

Today 22 Sep Whyalla

Sunny. Winds south to southeasterly 15 to 25 km/h becoming light in the late evening.

Spencer Gulf Coastal Waters

Wind
Easterly 10 to 15 knots becoming variable about 10 knots in the middle of the day then becoming east to southeasterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Sunny.
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.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Weeroona Bay Temperature Statistics View More

September Temperature

Whyalla Airport (23km)

  • Lowest 11 September, 2026

    3.4 °C

  • Average September

    15.3 °C

  • Highest 20 September, 2026

    32.9 °C

Climate (2021–2026)

Whyalla Airport (23km)

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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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