Spencer Gulf Weather Forecast

    • 14
    • 20

    Partly cloudy

    • 16
    • 24

    Partly cloudy

    • 18
    • 24

    Partly cloudy

    • 18
    • 22

    Partly cloudy

    • 19
    • 24

    Partly cloudy

    • 20
    • 26

    Partly cloudy

    • 20
    • 22

    Shower

Today 23 Sep Flinders

Sunny. Winds east to southeasterly 15 to 20 km/h tending east to northeasterly 15 to 25 km/h in the morning then becoming light in the late evening. Daytime maximum temperatures 24 to 29.

Spencer Gulf Coastal Waters

Wind
East to northeasterly 10 to 15 knots decreasing to about 10 knots in the evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
Weather
Sunny.
Weather Situation
A high pressure system centred over the Tasman Sea extends a ridge over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over southern coasts during Thursday and Friday, before being confined to the west over the weekend.
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 11 September, 2026

    3.4 °C

  • Average September

    15.1 °C

  • Highest 20 September, 2026

    32.9 °C

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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