Spencer Gulf Weather Forecast

    • 12
    • 15

    Partly cloudy

    • 13
    • 19

    Shower

    • 15
    • 17

    Rain

    • 14
    • 15

    Rain

    • 11
    • 16

    Shower

    • 12
    • 16

    Shower

    • 12
    • 15

    Shower

Today 6 Aug Flinders

Sunny. Areas of morning frost. Light winds becoming westerly 15 to 20 km/h in the middle of the day then becoming light in the late afternoon. Daytime maximum temperatures between 17 and 21.

Spencer Gulf Coastal Waters

Wind
Westerly 10 to 15 knots becoming variable about 10 knots in the morning.
Seas
Below 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A trough continues moving across southeast coastal parts of SA Thursday morning. A weak high pressure system centred over western NSW will slowly move east while maintaining a ridge over SA until the weekend. A strong cold front will begin to move into the Bight and track east over the state from Saturday into Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

August Temperature

Whyalla Airport (38km)

  • Lowest 1 August, 2026

    -0.4 °C

  • Average August

    9.3 °C

  • Highest 2 August, 2026

    20.9 °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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