Port of Whyalla Weather Forecast

    • 7
    • 18

    Clear

    • 8
    • 20

    Sunny

    • 9
    • 25

    Mostly sunny

    • 14
    • 29

    Mostly sunny

    • 11
    • 20

    Cloud clearing

    • 10
    • 18

    Partly cloudy

    • 7
    • 19

    Sunny

Today 10 Sep Whyalla

Clear. Winds southerly 20 to 25 km/h tending southeasterly 15 to 20 km/h in the evening.

Spencer Gulf Coastal Waters

Wind
East to southeasterly 10 to 15 knots, reaching up to 20 knots south of Cowell to Wallaroo in the evening.
Seas
Around 1 metre.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Cowell to Wallaroo.
Weather
Clear.
Weather Situation
A high pressure system centred south of the Bight extends a ridge across the south of SA. The main high centre will gradually move eastwards to be centred to the east of SA on Friday. A trough over the interior of WA will remain stationary but will weaken later Friday. Another low pressure trough will approach from the west on Saturday and move across SA on Sunday then a cold front will move across southern coasts later Monday. An upper disturbance will move over the far west on Monday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port of Whyalla Temperature Statistics View More

September Temperature

Whyalla Airport (8km)

  • Lowest 6 September, 2026

    3.8 °C
  • Average September

    14.5 °C
  • Highest 1 September, 2026

    27.7 °C

Climate (2021–2026)

Whyalla Airport (8km)

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  • Average Low 2021–2026

    12 °C
  • Average 2021–2026

    17.5 °C
  • Average High 2021–2026

    23.8 °C
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