Spencer Gulf Weather Forecast

    • 20
    • 23

    Shower

    • 17
    • 20

    Cloudy

    • 15
    • 17

    Shower

    • 15
    • 18

    Shower

    • 16
    • 19

    Partly cloudy

    • 17
    • 20

    Sunny

    • 17
    • 20

    Sunny

Today 9 Apr Flinders

Partly cloudy. Medium chance of showers, becoming less likely later this evening. The chance of a thunderstorm. Winds west to northwesterly 25 to 35 km/h tending west to southwesterly 15 to 25 km/h during the afternoon and evening.

Spencer Gulf Coastal Waters

Wind
Westerly 15 to 20 knots, reaching up to 25 knots south of Cowell to Wallaroo during the afternoon and evening.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm north of Cowell to Wallaroo early this evening.
Weather Situation
A low pressure trough will move across SA on Thursday followed by a cold front in the south. The trough and front will clear to the east during Friday morning. Another trough will move across waters to the south during Friday then a high pressure system will move across waters south of WA on Saturday to be centred over the Bight on Sunday. This high will move slowly eastwards early next week and a weak cold front will move over southern coastal areas.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

April Temperature

Whyalla Airport (38km)

  • Lowest 8 April, 2026

    13.2 °C
  • Average April

    20.3 °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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