Spencer Gulf Weather Forecast

    • 15
    • 16

    Cloudy

    • 13
    • 17

    Partly cloudy

    • 15
    • 21

    Shower

    • 16
    • 17

    Partly cloudy

    • 13
    • 18

    Partly cloudy

    • 15
    • 17

    Shower

    • 15
    • 17

    Shower

Today 2 Sep Flinders

Partly cloudy. Medium chance of showers south of Hawker, slight chance elsewhere. Winds southeast to southwesterly 15 to 20 km/h tending west to southwesterly 15 to 25 km/h in the morning. Daytime maximum temperatures between 18 and 23.

Spencer Gulf Coastal Waters

Wind
West to southwesterly 10 to 15 knots tending west to northwesterly during the afternoon and evening. Winds reaching up to 20 knots south of Cowell to Wallaroo during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo by early evening.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 1.5 metres during the morning.
Weather
Cloudy.
Weather Situation
A high pressure ridge will move across the north of the state on Wednesday and Thursday and a cold front will slip across the southeast of SA early Thursday. The ridge will move eastwards early Friday then another trough will move over SA during the day followed by a cold front early Saturday. Another high pressure ridge will move across during Sunday ahead of a low pressure system expected to develop in the far west later in the day.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

September Temperature

Whyalla Airport (38km)

  • Lowest 1 September, 2026

    9.2 °C

  • Average September

    15.7 °C

  • Highest

    –

Climate (2021–2026)

Whyalla Airport (38km)

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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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