Spencer Gulf Weather Forecast

    • 21
    • 24

    Partly cloudy

    • 15
    • 16

    Windy

    • 14
    • 18

    Sunny

    • 14
    • 20

    Sunny

    • 17
    • 26

    Partly cloudy

    • 19
    • 25

    Partly cloudy

    • 19
    • 23

    Partly cloudy

Today 20 Sep Flinders

Mostly clear. Winds south to southwesterly 20 to 30 km/h.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 20 knots.
Seas
1.5 metres.
1st Swell
South to southwesterly below 1 metre.
Weather
Cloudy.
Weather Situation
A trough and cold front will move to the east of SA later Sunday. A high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards 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 the Bight during Thursday.
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  • 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

    15.3 °C

  • Highest 19 September, 2026

    32.1 °C

Climate (2021–2026)

Whyalla Airport (38km)

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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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