Spencer Gulf Weather Forecast

    • 12
    • 13

    Shower

    • 10
    • 13

    Shower

    • 11
    • 13

    Cloudy

    • 12
    • 14

    Cloudy

    • 11
    • 16

    Partly cloudy

    • 12
    • 17

    Partly cloudy

    • 14
    • 18

    Shower

Today 29 Aug Flinders

Partly cloudy. Medium chance of showers south of Hawker, slight chance elsewhere. Snow possible above 900 metres. Possible small hail south of Hawker. Winds southwesterly 35 to 55 km/h decreasing to 25 to 40 km/h in the late evening.

Spencer Gulf Coastal Waters

Wind
Southwesterly 25 to 35 knots.
Seas
3 metres, increasing to 3 to 4 metres south of Port Neill to Port Victoria.
1st Swell
South to southwesterly around 1 metre, increasing to 2 to 3 metres south of Cowell to Wallaroo.
Weather
Cloudy. 80% chance of showers. The chance of a thunderstorm. Possible small hail.
Weather Situation
A low pressure system over Bass Strait is responsible for a fresh and cold south to southwesterly flow over South Australia. A high pressure system over southern WA will move slowly eastwards to be over inland South Australia later in the weekend, remaining near-stationary into early next week. A westerly flow will continue for coastal areas on the southern flank of the high pressure system.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

August Temperature

Whyalla Airport (38km)

  • Lowest 2 August, 2025

    1.9 °C

  • Average August

    12.6 °C

  • Highest 25 August, 2025

    25.8 °C

Climate (2020–Present)

Whyalla Airport (38km)

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  • Average Low 2020–2025

    11.9 °C

  • Average 2020–2025

    17.5 °C

  • Average High 2020–2025

    23.8 °C
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