Whyalla Weather Forecast

    • 16
    • 36

    Sunny

    • 25
    • 46

    Late cool change. Windy

    • 20
    • 31

    Mostly sunny

    • 21
    • 43

    Sunny

    • 28
    • 40

    Mostly sunny

    • 21
    • 32

    Sunny

    • 22
    • 35

    Sunny

Today 23 Jan Whyalla

Sunny. Winds northeasterly 15 to 25 km/h.

Extreme Fire Danger Rating

Take action now to protect life and property

Spencer Gulf Coastal Waters

Wind
Northeasterly 10 to 15 knots turning easterly in the late afternoon. Winds reaching up to 20 knots north of Cowell to Wallaroo in the evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A trough of low pressure approaches from the west late today and is forecast to move over southern SA during Saturday, then lingers through inland SA into Sunday. A high pressure system is expected to move over waters to the south over the weekend, extending a ridge over southern SA on Sunday, before a second trough moves in from the west on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Whyalla Temperature Statistics View More

January Temperature

Whyalla Airport (6km)

  • Lowest 22 January, 2026

    14.9 °C

  • Average January

    23.2 °C

  • Highest 8 January, 2026

    47.8 °C

Climate (2021–Present)

Whyalla Airport (6km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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