Spencer Gulf Weather Forecast

    • 13
    • 17

    Sunny

    • 14
    • 20

    Partly cloudy

    • 16
    • 25

    Partly cloudy

    • 18
    • 25

    Partly cloudy

    • 19
    • 24

    Partly cloudy

    • 20
    • 25

    Partly cloudy

    • 20
    • 25

    Partly cloudy

Today 22 Sep Flinders

Sunny. Winds east to southeasterly 15 to 25 km/h becoming light in the middle of the day then becoming east to southeasterly 15 to 20 km/h in the late afternoon. Overnight temperatures falling to between 3 and 9 with daytime temperatures reaching 21 to 26.

Spencer Gulf Coastal Waters

Wind
Easterly 15 to 20 knots turning south to southeasterly 10 to 15 knots in the late morning and early afternoon then tending east to southeasterly in the evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Sunny.
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

    15.3 °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

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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