Spencer Gulf Weather Forecast

    • 18
    • 25

    Sunny

    • 19
    • 24

    Partly cloudy

    • 20
    • 25

    Partly cloudy

    • 18
    • 20

    Shower

    • 17
    • 21

    Sunny

    • 18
    • 24

    Partly cloudy

    • 18
    • 23

    Partly cloudy

Today 23 Apr Flinders

Sunny. The chance of fog near the coast in the early morning. Winds east to northeasterly 15 to 25 km/h. Overnight temperatures falling to between 9 and 14 with daytime temperatures reaching 23 to 29.

Spencer Gulf Coastal Waters

Wind
East to southeasterly 10 to 15 knots turning northeasterly early in the morning. Winds reaching up to 20 knots south of Cowell to Wallaroo during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the afternoon.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the morning.
Weather
Sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

April Temperature

Whyalla Airport (38km)

  • Lowest 15 April, 2026

    8.5 °C

  • Average April

    19.4 °C

  • Highest 6 April, 2026

    34.7 °C

Climate (2021–Present)

Whyalla Airport (38km)

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  • Average Low 2021–2026

    11.9 °C

  • Average 2021–2026

    17.5 °C

  • Average High 2021–2026

    23.8 °C
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