Port Bonython Weather Forecast

    • 6
    • 14

    Cloudy

    • 4
    • 15

    Cloudy

    • 6
    • 16

    Partly cloudy

    • 6
    • 18

    Partly cloudy

    • 7
    • 18

    Shower or two

    • 7
    • 14

    Shower or two

    • 5
    • 14

    Partly cloudy

Today 24 Jul Whyalla

Cloudy. Slight chance of a shower, most likely in the early morning. Light winds.

Spencer Gulf Coastal Waters

Wind
South to southwesterly 10 to 15 knots becoming variable below 10 knots in the early morning then becoming west to southwesterly 10 to 15 knots in the middle of the day.
Seas
Below 1 metre.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Cloudy.
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  • Temperature Forecast Bureau of Meteorology

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Port Bonython Temperature Statistics View More

July Temperature

Whyalla Airport (24km)

  • Lowest 17 July, 2026

    0.9 °C

  • Average July

    10.8 °C

  • Highest 20 July, 2026

    20.4 °C

Climate (2021–2026)

Whyalla Airport (24km)

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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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