Spencer Gulf Weather Forecast

    • 12
    • 14

    Cloudy

    • 12
    • 13

    Shower

    • 11
    • 13

    Partly cloudy

    • 11
    • 14

    Cloudy

    • 12
    • 15

    Partly cloudy

    • 12
    • 16

    Partly cloudy

    • 12
    • 15

    Shower

Today 22 Jul Flinders

Mostly clear. Slight chance of a shower near the coast, most likely later this evening. Near zero chance of rain elsewhere. Winds south to southwesterly 15 to 25 km/h.

Spencer Gulf Coastal Waters

Wind
Southwesterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo in the late evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A trough over southern South Australia will weaken overnight, with a ridge of high pressure to build over the west of the State later. A high pressure system will slowly approach South Australia on Thursday, then move over the State on Friday and Saturday. The high is expected to move to the north of South Australia during Sunday, with a trough to build over the west of the State in the evening.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Spencer Gulf Temperature Statistics View More

July Temperature

Whyalla Airport (38km)

  • Lowest 17 July, 2026

    0.9 °C

  • Average July

    10.7 °C

  • Highest 20 July, 2026

    20.4 °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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