Spencer Gulf Weather Forecast

    • 14
    • 18

    Partly cloudy

    • 15
    • 17

    Partly cloudy

    • 16
    • 18

    Shower

    • 15
    • 16

    Shower

    • 14
    • 16

    Shower

    • 14
    • 16

    Shower

    • 14
    • 16

    Shower

Today 21 May Flinders

Mostly sunny. Patchy morning fog south of Hawker. Light winds becoming east to northeasterly 15 to 20 km/h in the morning then becoming light in the middle of the day. Daytime maximum temperatures between 16 and 21.

Spencer Gulf Coastal Waters

Wind
North to northeasterly about 10 knots tending east to northeasterly 10 to 15 knots in the early afternoon.
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 high pressure system over SA will remain dominant as it slowly moves east and into the Tasman Sea on Friday. A cold front move across across South Australia over the weekend, followed by another high pressure system.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

May Temperature

Whyalla Airport (38km)

  • Lowest 11 May, 2026

    5.5 °C

  • Average May

    15.6 °C

  • Highest 1 May, 2026

    30.7 °C

Climate (2021–Present)

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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