Spencer Gulf Weather Forecast

    • 20
    • 24

    Shower

    • 22
    • 28

    Partly cloudy

    • 19
    • 21

    Shower

    • 19
    • 24

    Shower

    • 23
    • 25

    Shower

    • 18
    • 19

    Shower

    • 16
    • 18

    Shower

Today 5 Apr Flinders

Partly cloudy. Slight chance of a shower south of Hawker this evening. Near zero chance of rain elsewhere. Winds east to northeasterly 15 to 20 km/h becoming light in the morning then becoming northeast to southeasterly 15 to 20 km/h in the late afternoon. Daytime maximum temperatures 25 to 31.

Spencer Gulf Coastal Waters

Wind
North to northeasterly 10 to 15 knots tending north to northwesterly in the early morning then tending north to northeasterly in the morning.
Seas
Below 1 metre.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm south of Cowell to Wallaroo late this afternoon and evening.
Weather Situation
A high pressure system centred just south of Tasmania will move southeastwards during Sunday. This will allow a trough over WA to link to a weak front south of the Bight then move over western and southern parts of SA later Sunday into Monday. Another high pressure system is expected to follow early next week.
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 2 April, 2026

    15 °C

  • Average April

    20.8 °C

  • Highest 2 April, 2026

    24.5 °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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