Port of Whyalla Weather Forecast

    • 17
    • 29

    Sunny

    • 19
    • 31

    Partly cloudy

    • 19
    • 32

    Partly cloudy

    • 20
    • 35

    Partly cloudy

    • 18
    • 27

    Becoming windy. Partly cloudy

    • 15
    • 25

    Becoming windy. Mostly sunny

    • 16
    • 25

    Cloud clearing

Today 9 Dec Whyalla

Sunny. Winds southerly 25 to 40 km/h.

Spencer Gulf Coastal Waters

Wind
Southerly 10 to 15 knots turning southeasterly 15 to 20 knots during the day. Winds reaching up to 25 knots north of Cowell to Wallaroo in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the afternoon.
Weather
Mostly sunny.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port of Whyalla Temperature Statistics View More

December Temperature

Whyalla Airport (8km)

  • Lowest 2 December, 2025

    10.2 °C

  • Average December

    20.8 °C

  • Highest 4 December, 2025

    40.7 °C

Climate (2020–Present)

Whyalla Airport (8km)

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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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