Port Bonython Weather Forecast

    • 7
    • 17

    Partly cloudy

    • 9
    • 17

    Cloudy

    • 9
    • 17

    Cloudy

    • 8
    • 18

    Shower or two

    • 9
    • 21

    Shower or two

    • 10
    • 21

    Shower or two

    • 10
    • 20

    Showers easing

Today 14 Aug Whyalla

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

Spencer Gulf Coastal Waters

Wind
West to northwesterly about 10 knots becoming south to southeasterly in the early afternoon.
Seas
Below 0.5 metres.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 2 to 3 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Bonython Temperature Statistics View More

August Temperature

Whyalla Airport (24km)

  • Lowest 1 August, 2026

    -0.4 °C

  • Average August

    11.6 °C

  • Highest 7 August, 2026

    21.4 °C

Climate (2021–2026)

Whyalla Airport (24km)

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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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