Port of Whyalla Weather Forecast

    • 7
    • 20

    Sunny

    • 7
    • 17

    Partly cloudy

    • 7
    • 17

    Partly cloudy

    • 6
    • 20

    Partly cloudy

    • 9
    • 17

    Showers

    • 8
    • 17

    Shower or two

    • 6
    • 19

    Mostly sunny

Today 20 Aug Whyalla

Sunny. Light winds becoming south to southeasterly 15 to 20 km/h in the early afternoon then becoming light in the late afternoon.

Spencer Gulf Coastal Waters

Wind
Northwesterly 10 to 15 knots turning southwesterly in the early afternoon.
Seas
Below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria by early evening.
Weather
Partly cloudy.
Weather Situation
A cold front clears to the east Wednesday evening. Weak troughs clip the southeast in a broad westerly flow on Thursday and Friday, as a ridge of high pressure is expected to approach South Australia from the west. The high centre is expected to linger over the state on the weekend.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port of Whyalla Temperature Statistics View More

August Temperature

Whyalla Airport (8km)

  • Lowest 1 August, 2026

    -0.4 °C

  • Average August

    12.4 °C

  • Highest 7 August, 2026

    21.4 °C

Climate (2021–2026)

Whyalla Airport (8km)

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  • Average Low 2021–2026

    12 °C

  • Average 2021–2026

    17.6 °C

  • Average High 2021–2026

    23.8 °C
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