Port Bonython Weather Forecast

    • 10
    • 24

    Clear

    • 13
    • 30

    Showers. Storm developing

    • 14
    • 19

    Possible morning storm. Showers

    • 11
    • 19

    Partly cloudy

    • 10
    • 20

    Partly cloudy

    • 12
    • 21

    Mostly sunny

    • 11
    • 23

    Partly cloudy

Today 10 Oct Whyalla

Clear. Winds southerly 15 to 20 km/h tending southeasterly in the evening then becoming light in the late evening.

Spencer Gulf Coastal Waters

Wind
Northwest to southwesterly 10 to 15 knots becoming variable about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A trough and cold front cross SA on Sunday and clear to the east by late Monday. A ridge of high pressure will then extend into SA, with the associated high moving into waters south from Tuesday. A trough in the interior of WA will also extend into northern SA at times from Monday until later in the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Bonython Temperature Statistics View More

October Temperature

Whyalla Airport (24 km)

  • Lowest 6 October, 2026

    7.1 °C

  • Average October

    17.5 °C

  • Highest 8 October, 2026

    32.4 °C

Climate (2021–2026)

Whyalla Airport (24 km)

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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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