Weeroona Bay Weather Forecast

    • 20
    • 28

    Partly cloudy

    • 16
    • 21

    Partly cloudy

    • 17
    • 23

    Cloud clearing

    • 16
    • 23

    Becoming windy. Partly cloudy

    • 15
    • 25

    Becoming windy. Mostly sunny

    • 16
    • 29

    Sunny

    • 18
    • 34

    Sunny

Today 21 Dec Whyalla

Mostly clear. Winds southerly 35 to 50 km/h.

Spencer Gulf Coastal Waters

Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening. Winds turning southerly 15 to 25 knots in the late afternoon.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A broad trough of low pressure lies over the far northeast as a ridge of high pressure ridge builds over the west and south of the State during Sunday evening. The high pressure ridge extends across the entire State and Coastal Waters by early Monday and persists until Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Weeroona Bay Temperature Statistics View More

December Temperature

Whyalla Airport (23km)

  • Lowest 2 December, 2025

    10.2 °C
  • Average December

    22.5 °C
  • Highest 18 December, 2025

    42.6 °C

Climate (2020–Present)

Whyalla Airport (23km)

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  • Average Low 2020–2025

    11.8 °C
  • Average 2020–2025

    17.4 °C
  • Average High 2020–2025

    23.7 °C
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