Spencer Gulf Weather Forecast

    • 14
    • 19

    Shower

    • 15
    • 17

    Shower

    • 15
    • 17

    Shower

    • 14
    • 16

    Windy

    • 15
    • 17

    Shower

    • 15
    • 18

    Partly cloudy

    • 15
    • 18

    Partly cloudy

Today 4 May Flinders

Partly cloudy. High chance of showers near the coast, slight chance elsewhere. Winds west to northwesterly 20 to 30 km/h tending west to southwesterly in the middle of the day then becoming light in the late evening. Overnight temperatures falling to between 6 and 9 with daytime temperatures reaching between 15 and 20.

Spencer Gulf Coastal Waters

Wind
Westerly 15 to 20 knots, reaching up to 30 knots south of Cowell to Wallaroo early in the morning. Winds turning southwesterly in the late morning.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly around 1 metre, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 90% chance of showers.
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 3 May, 2026

    8.8 °C

  • Average May

    18.5 °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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