Spencer Gulf Weather Forecast

    • 12
    • 15

    Shower

    • 14
    • 15

    Shower

    • 12
    • 14

    Shower

    • 11
    • 14

    Partly cloudy

    • 11
    • 14

    Partly cloudy

    • 12
    • 15

    Partly cloudy

    • 12
    • 14

    Cloudy

Today 18 Jun Flinders

Cloudy. Slight chance of a shower, most likely later tonight. Winds northwesterly 25 to 40 km/h.

Spencer Gulf Coastal Waters

Wind
North to northwesterly 20 to 30 knots tending west to northwesterly in the evening.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly below 1 metre.
Weather
Cloudy. 80% chance of showers south of Cowell to Wallaroo, 50% chance elsewhere.
Weather Situation
A low pressure system south of the Bight will drift to the south east while a trough extends across western coasts late on Thursday. This trough will linger along the coastline into Friday, developing into the cold front that will clear into the east early Saturday. A high pressure system will begin to move in from the west on Saturday, cross the Bight, slowly drifting to eastern SA by Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

June Temperature

Whyalla Airport (38km)

  • Lowest 8 June, 2026

    3.2 °C
  • Average June

    14.3 °C
  • Highest 12 June, 2026

    25.9 °C

Climate (2021–2026)

Whyalla Airport (38km)

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  • Average Low 2021–2026

    12 °C
  • Average 2021–2026

    17.6 °C
  • Average High 2021–2026

    23.8 °C
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