Port Bonython Weather Forecast

    • 5
    • 21

    Showers increasing

    • 11
    • 19

    Showers

    • 10
    • 16

    Rain

    • 6
    • 17

    Partly cloudy

    • 8
    • 18

    Showers

    • 6
    • 17

    Partly cloudy

    • 6
    • 17

    Partly cloudy

Today 7 Aug Whyalla

Becoming cloudy. The chance of fog in the early morning. High chance of showers, most likely in the late afternoon and evening. Light winds becoming northerly 20 to 30 km/h in the morning.

Spencer Gulf Coastal Waters

Wind
North to northeasterly below 10 knots increasing to 10 to 15 knots before dawn. Winds reaching up to 20 knots south of Cowell to Wallaroo during the day.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the morning.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. Patchy morning fog with reduced visibility. 95% chance of rain.
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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

    10.2 °C

  • Highest 2 August, 2026

    20.9 °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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