Mullaquana Weather Forecast

    • 14
    • 23

    Partly cloudy

    • 13
    • 25

    Cloud clearing

    • 13
    • 31

    Partly cloudy

    • 18
    • 29

    Shower or two

    • 15
    • 23

    Showers

    • 11
    • 20

    Shower or two

    • 8
    • 19

    Possible shower

Today 20 Oct Whyalla

Cloud clearing. Winds southerly 20 to 30 km/h.

Spencer Gulf Coastal Waters

Wind
South to southwesterly 10 to 15 knots, reaching up to 20 knots north of Cowell to Wallaroo during the afternoon and evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres north of Cowell to Wallaroo by early evening.
1st Swell
South to southwesterly below 1 metre, increasing to around 1 metre south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A trough of low pressure over southeastern South Australia lingers in the east, before weakening from Thursday. A slow moving high pressure system in the Tasman Sea re-establishes a ridge across southern parts from Wednesday. Another series of troughs move into western parts on Thursday and broadly across SA on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mullaquana Temperature Statistics View More

October Temperature

Whyalla Airport (2 km)

  • Lowest 15 October, 2026

    6.2 °C

  • Average October

    17.9 °C

  • Highest 8 October, 2026

    32.4 °C

Climate (2021–2026)

Whyalla Airport (2 km)

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  • Average Low 2021–2026

    12.1 °C

  • Average 2021–2026

    17.6 °C

  • Average High 2021–2026

    23.8 °C
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